【单选题】Suppose there are a large number of men who used to work or seek work but now no longer do either. Other things the same, this makes
A.
the number of people unemployed rise but does not change the labor force
B.
the number of people unemployed rise but makes the labor force fall
C.
both the number of people unemployed and the labor force fall
D.
the number of people unemployed fall but does not change the labor force
【单选题】如果主轴箱拼装到床身导轨上后的G7组精度不合格,将产生( ),从而降低零件加工精度。
【单选题】Jackie says that when she was talking to Amy, "a friend of hers showed up." Who is she talking about?
A.
a friend of Amy's from journalism class
【单选题】When Amy says, "It doesn't look good," what does she mean?
A.
We don't have any more time to investigate.
B.
The competition already knows the story.
C.
The bank statement shows that Nick is probably guilty.
【简答题】When Amy says," ," she means "Bargain with the salesperson."
【单选题】Talia says to Amy, "You've done your homework, haven't you?“ She's asking
A.
if Amy is prepared for the class
B.
if Amy has helped Jackie with the assignment for her acting class
C.
if Amy knows enough about Jackie to talk to her for a few minutes
【单选题】people were found after the Wenchuang earthquake.
【简答题】Check the things Amy says about the U.S.
【简答题】Suppose non-zero real number a and b satisfy ab=a-b, then b/a+a/b-ab= ____. (英汉小词典:satisfy满足)
【单选题】__________ sweaters look the same.