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[主观题]
To be concrete,you need to use specific figures and passive verbs.()
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In mixing concrete, one of the desires the amateur must resist is to________.
A.break off a corner to see if the "green" has gone
B.leave the form. on too long
C.strip off the forms a day after the concrete has properly hardened
D.use too much water
(1)
A.Command
B.MenuItem
C.Open
D.BulktinBoardScreen
可控制。一些大的水泥(concrete)房梁开始倒塌。幸运的是没有人员伤亡的报告。地方政府早就禁止在办公室里抽烟,所以警察怀疑这不仅仅是一场意外。他们正在寻找证据来证实他们的猜测。查明起火原因大概需要一年的时间,毕竟这不是一件容易的事。