______%=15÷______=()24=0.3：______=0.75=_

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问题填空题

______%=15÷______=

()

=0.3：______=0.75=______折=______（填成数）．

答案

75%=15÷20=

=0.3：0.4=0.75=七五折=七成五；

故答案为：75，20，18，0.4，七五，七成五．

选择题

His sister left home in 1998, and _____ since. [ ]

A. had not been heard of

B. has not been heard of

C. had not heard of

D. has not heard of

单项选择题

属于医学道德意识现象的是（）

A.医德观念、医德情感、医德意志、医德信念、医德理论

B.评价和调整医务人员行为的准则

C.医德教育

D.医德评价

E.医德修养