Without proper lessons, you could ________ a lot of bad habits when playing the piano.
A.put up
B. catch up
C. keep up
D. pick up
A.put up
B. catch up
C. keep up
D. pick up
A.rise
B.arise
C.raise
D.arouse
A.正确
B.错误
A.“to make every effort to achieve or obtain something”
B.“to lose the opportunity to do something”
C.“to do something without proper material”
D.“to understand the nature of ones work and be competent in the performance of them”
A.正确
B.错误
A.to understand the nature of ones work and be competent in the performance of them
B.to lose the opportunity to do something
C.to do something without proper materials
D.to make every effort to achieve or obtain something
A.intruders
B.terminals
C.hosts
D.users@@@SXB@@@A.exterior
B.internal
C.centre
D.middle@@@SXB@@@A.attack
B.collapse
C.breakdown
D.virus@@@SXB@@@A.users
B.campuses
C.Companies
D.networks@@@SXB@@@A.safeguards
B.businesses
C.experiences
D.Resources