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【单选题】
The author was 'utterly confused' because he ______.A.
took the chair out of habit
B.
was trying to be polite
C.
was slow in understanding
D.
had forgotten what he did
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【单选题】用某新药治疗流行性感冒患者 20例,一周后15例痊愈,由此可认为( )
A.
无法说明该新药疗效
B.
新药疗效一般
C.
新药疗效好
D.
新药只有近期疗效
E.
因治疗例数少，应以可信区间推论治疗情况
【简答题】通常反映企业利润的指标有（ ）。
【单选题】— Did you hear________ John? — Yes, he rang me this morning and we agreed________ a date to meet. [ ]
A.
of; to
B.
about; with
C.
from; with
D.
from; on
【简答题】Era necessario che tutti la loro opinione e una soluzione. (dire - suggerire)