题目内容（请给出正确答案）

[主观题]

There are two kinds of air waybills：one is signed by airline companies and the ot

her one is signed by air transportation companies．（）

查看答案

如果结果不匹配，请联系老师获取答案

您可能会需要：

重置密码查看订单联系客服

安装优题宝APP，拍照搜题省时又省心！

更多“There are two kinds of air way…”相关的问题

第1题

When a verbal message and a nonverbal message disagree with each other, most of the ti

me _________.

A.believe the verbal message

B.believe the nonverbal message

C.believe both of the two kinds of languages

点击查看答案

第2题

Bees do two kinds(A) of dances to tell(B) other bees of(C) its(D) discovery of food.

Bees do two kinds（A) of dances to tell（B) other bees of（C) its（D) discovery of food.

点击查看答案

第3题

For an IP service network, its QoS control mechanism usually includes two kinds of mod

els，()and()。hey represent two distinct QoS control techniques. One is to reserve resources to avoid congestion while the other to differentiate services during congestion. Ethernet always adopts the latter.

点击查看答案

第4题

—I think we can use two or more kinds of media together in an advertising campaign. —（)

A.It’s true. Two is always better than one.

B.That’s quite right. We can attract more people.

C.It’s great idea. We need to put in more money then.

点击查看答案

第5题

The data station usually means a（71)unit that provides data for transmission, that accepts

The data station usually means a(71)unit that provides data for transmission, that accepts transmitted data, and that performs all functions necessary for communication with another functional unit. Data stations may be divided into two kinds, the primary stations and the secondary stations, (72)control functions.In(73)data link control, the primary station is the data station that supports the primary control functions of the data link, generates commands to be transmitted, and interprets received responses. Specific responsibilities assigned to the primary station include initialization of control signal interchange, organization of data flow and actions regarding error control and error recovery functions. The secondary station executes data link control functions as (74)by the primary station, interprets received commands and (75) responses to be transmitted.

A．performance

B．functional

C．capacity

D．quality

点击查看答案

第6题

Most Americans think that ice cream is as American as baseball and applepie.But ice cr

eam was known long before American was discovered.The Roman emperor Nero may have made a king of ice cream.He hired hundreds of men to bring snow and ice from the mountains.He used it to make cold drinks.Traveler Marco Polo brought back recipes for chilled and frozen milk from China.Hundreds of years later,ice cream reached England.It is said that King Charles I enjoyed that treat very much.There is a story that he bribed his cook to keep the recipe for ice cream a royal secret.Today ice cream is known throughout the world.Americans alone eat more than two billion quarts a year.

Charles I of England wanted to ()

A、make ice cream popular

B、keep the secret of ice cream for himself

C、develop new kinds of ice cream

D、bring ice cream recipes from China

点击查看答案

第7题

American students learn business skills in school. Here is a story about some American students who learnt business skills by operating their own banks. In December 1987, the Twiglet Bank was opened at an Elementary School in Miami, Florida. It is a real bank that accepts money for savings and makes loans, and it is operated by students between 10 and 12 years old. The bank is open for one hour two days a week. Students can put their money into the bank and withdraw it as they wish. Officials from a local bank helped the students start the bank. They trained twenty-three of them to do all the different kinds of bank jobs, from counting money to guarding the bank. The students needed money to start the bank. They raised more than $ 2,000 by selling 50-dollar shares in the bank to parents, teachers, the local bank workers, and customers. Organizing and operating the bank has taught the children a lot about the banking business. They have learned about raising and investing money and how to use computers and other banking equipment. They have also learned how to ask for a job and to be responsible for their jobs.

1-1.American students learn social skills in school.

A、√

B、×

1-2.Some American students learn business skills to operate their own school.

A、√

B、×

1-3.The bank is open for one hour two days a week.

A、√

B、×

1-4.Students can put their money into the bank but withdrawing is not easy.

A、√

B、×

1-5.Workers from a local bank helped the students start the bank.

A、√

B、×

点击查看答案

第8题

What Kinds of Food Do People Need?Scientists have learned a great deal about the kinds o

What Kinds of Food Do People Need？

Scientists have learned a great deal about the kinds of food people need. They say that there are several kinds of food people should eat every day. What are these classes of food？ They are 1) green vegetables of all kinds, such as string beans, peas, lettuces, and cabbages; 2) fruits such as apples, peaches and bananas; 3) other vegetables, examples of these are beets, onions, carrots, tomatoes and so on; 4) meat of all kinds, fish and eggs; 5) milk and food made from milk, such as butter, cheese and ice cream; 6) bread or cereal. Rice is also in this class of food.

People in different countries and different areas of the world eat different kinds of things. Scientists say that none of these differences are really important. It doesn't matter whether food is eaten raw or cooked, canned or frozen. It doesn't matter if a person eats dinner at 4 o'clock in the afternoon or at 11 o'clock at night. The important thing, they say, is that every day a person should eat something from each of these kinds of food.

There are two problems, then, in feeding the ever-increasing number of people on earth. The first is to find some way to feed the world population so that no one is hungry. The second is to make sure that people everywhere have the right kinds of food to make them grow to be strong and healthy.

61、What have scientists learned a great deal about？()

A.The kinds of food that should be eaten every day

B.whether to eat food raw or cooked

C.When to eat food every day

D.How much food to eat every day

62、What is important in eating, according to the scientists？()

A.Eat one's meals at regular intervals

B.eat raw or cooked food, but not canned or frozen food

C.Eat a variety of necessary foods

D.eat vegetables and fruits more than meat and cereal

63、What problems are facing the world today？()

A.how to provide enough food for the ever-increasing population and teach them how to eat

B.how to persuade people of the world to change to a healthy diet and not to waste food

C.how to find ways to feed the world population and to make sure that they have the right

D.How to convince governments of all the countries the importance of developing agriculture

64、What green vegetable is not mentioned in the passage？()

A.Lettuce

B.Pea

C.Spinach

D.Cabbage

65、 What can you infer from the passage？()

A.How to feed the huge world population is the most important concern of all scientists

B.the world is short of food and many people are going hungry

C.Human beings are striving for more food to feed their young

D.the scientists' findings will help people everywhere to select a healthy diet

点击查看答案

第9题

Teeth have been a part of animals almost from the beginning of animal life. The first

animals to have teeth were fish. These sea creatures lived millions of years ago. They had many finely pointed teeth for grabbing food from the water. They were distant cousins of today’s sharks.The teeth of animals help them do certain jobs or eat certain kinds of foods. Elephants have two large teeth, called tusks, which they use for digging up plants or for fighting. Lions and tigers have long, sharp teeth for tearing apart other animals. Those of horses and cows are short and flat. They are used for grinding plants.People have three main kinds of teeth. They have teeth that cut, teeth that tear, and teeth that grind. When biting into a piece of fruit, people use their cutting teeth. When pulling a piece of meat from a bone, they use their tearing teeth. When nibbling on a fresh carrot, they use their grinding teeth.Every person grows two sets of teeth. The first set often begins to appear when a baby is about six months old. It lasts until the child is about six years old. Then the baby teeth fall out and the second teeth come in. This second set must last for the rest of a person’s life.It is important for people to take care of their teeth. They must eat the right foods. They should brush their teeth properly. Teeth should be checked twice a year by a dentist.

1.Fish have many () teeth for () food.

A.noticeable, catching

B.visible, grasping

C.sharp, snatching

D.fine, catching

2.Which of the following statements about teeth is true？()

A.Elephants have three large tusks

B.Teeth of horses and cows are short and sharp

C.The first set of teeth of a person often begins to appear when he is about six years

D.Sea creatures were the first animals having teeth

3.The word “nibble” in the third paragraph bears the meaning of ().

A.eating with small repeated bits

B.showing slight interest in something

C.taking hold of with a sudden rough movement

D.crushing into small pieces or into powder

4.From this passage we can draw a conclusion that ().

A.all the teeth have the same function

B.animals don’t try to protect their teeth

C.teeth are important both for human and animals

D.we should care our teeth and often have them checked

5.It is a piece of writing about ().

A.botany

B.animals

C.popular science

D.dentistry

点击查看答案

第10题

There are two types of twins: identical and non－identical twins. Identical twins are

There are two types of twins: identical and non-identical twins. Identical twins are formed from a single egg in mother's body which divides to form. two separate babies. Identical twins look the same and are often dressed by their parents in clothes of the same colors. It is often difficult to tell identical twins from each other, even when they are standing side by side. Non-identical twins come into being when the mother produces two separated eggs at the same time, both of which grow to form. babies. In this case the twins look like normal brothers and sisters and are easy to tell one from the other.

In the 1970s and 1980s a scientist did some research into twins. He invited many pairs of identical twins to university and asked them to take part in a week of tests. He was particularly interested in adopted (收养) twins who had been separated at birth. He would give the twins different kinds of tests to study their speed of thinking, their speech, their memory, the ways they saw and heard different things, and so on. Time and time again he found separated twins who preferred clothes of the same color, used the same kind of shaving soap, wore the same shaped square glasses and the same colored socks.

There is a third type of twins, but it is a very unusual one. Twins who are joined together at birth are known in western countries as Siamese twins.

(1)It is difficult to tell identical twins because ____________.

A、they are dressed in the same clothes

B、they are dressed in the same color

C、they are very alike

D、they are standing side by side

(2)If the twins are easy to tell from each other, they are ____________.

A、very probably non-identical twins

B、surely non-identical twins

C、surely identical twins

D、always a brother and a sister

(3)Which of the following is NOT true according to this passage？