题目
The re-examination results indicate that one-third of the goods are no()standard.
A. up to
B. within
C. on
第1题
A、up to
B、on
C、within
第2题
HENRY: Good afternoon! Lucy, I am telling you something urgent. We have found several cases of golden staph infected in our patients. They were caused by your products.
LUCY: Are you sure? Our bandages are very safe.{A; B; C; D; E}.
HENRY: I know that. But only patients who have used your bandages are infected.
LUCY: All of our products were made with the utmost care.{A; B; C; D; E}. And why didn’t you put the bandages into the sterilizer before you used them?
HENRY: Lucy,{A; B; C; D; E}. I’ve already asked the hospital to do a re-examination of your supplies right now.
LUCY: Henry, you’re making things difficult.
HENRY: The safety of our patients is most important,{A; B; C; D; E}.
LUCY: But I have already posted your recent order. They are now on the way.
HENRY: Sorry, Lucy. As soon as they arrive,{A; B; C; D; E}.
A. May be they were polluted in your hospital.
B. so I will stop all orders with your company.
C. This is the first time we’ve received a complaint of this nature.
D. they will be returned to your factory immediately.
E. it’s your job to do that, not ours.
第5题
集合A={a1,a2,a3,a4},R={(a1,a2),(a2,a3),(a3,a4)},求r(s(R)),s(r(R)),t(s(R)),r(t(R)),t(r(R))。
第8题
A.R[esp]←R[esp]-4,R[ebp]←M[R[esp]]
B.R[esp]←R[esp]+4,R[ebp]←M[R[esp]]
C.R[ebp]←M[R[esp]],R[esp]←R[esp]-4
D.R[ebp]←M[R[esp]],R[esp]←R[esp]+4
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