You your English level since you used the new edition of the dictionary.
A. improve
B. are improving
C. have improved
D. improved
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Theof their new mobile phone received much media coverage (媒体报道).
A. laugh
B. launch
C. lunch
D. church
I gave my daughter some money for the of her school books.
A. buy
B. purchase
C. charge
D. change
氯丙嗪引起口干、便秘的原因是( )
A. 阻断DA受体
B. 阻断α受体
C. 阻断M受体
D. 阻断N受体
E. 阻断(受体
氯丙嗪抑制体温调节的主要作用是( )
A. 阻断DA受体
B. 阻断α受体
C. 阻断M受体
D. 阻断N受体
E. 阻断(受体