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【单选题】
有一凸轮机构,其从动件与凸轮之间是滑动摩擦,且阻力大,磨损快,只适用于传力不大的低速场合,下图中满足上述条件的凸轮机构是A.
图a
B.
图b
C.
图c
D.
图d
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【简答题】Read and match. （为左面的问句选择恰当的答语） ( )1. Can I wear my T-shirt? ( )2. What's the weather like today? ( )3. What are you doing? ( )4. How much is the dress? ( )5. Are they donkeys? ( ...
【简答题】The manager has promised that she will deal with the matter (immediate) ______.
【单选题】The chief manager has decided to put _______ he thinks is energetic, clever, and has good qualities in the position of the leadership of the company.
A.
those who
B.
anyone
C.
whomever
D.
whoever
【单选题】听力原文：Mona has been offered the manager's job, although she has hardly any work experience. Which of the following is true about Mona?
A.
Mona hasn't worked hard at the post of manager.
B.
The manager's job Mona has been given is hard work.
C.
Mona hasn't worked for very long, but has been given the manager's job.
【单选题】Keith's suspicion of embezzlement is based on the fact that ______.
A.
the Works Manager has made a mistake
B.
Holder and Bragg has acted dishonestly
C.
the Purchasing Manager has made a mistake
D.
more spare parts than needed have been used
【单选题】The new manager has greatly changed the company _______ he took over the position.
A.
if
B.
since
C.
although
D.
while
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