已知照相物镜的焦距f′=-75mm,被摄景物位于(以F点为坐标原点)x=-∞、
-10m、-8m、-6m、-4m、-2m处,试求照相底片应分别放在离物镜的像方焦面多远
的地方。
第1题
What he said just now had little to do with the question ________ discussion.
A) on
B) in
C) under
D) at
第2题
We have agreed to ()a joint venture company in that state .
A、put up
B、put forward
C、open
D、set up
第3题
The living conditions there were hard; they had so much ().
A、to put up
B、for putting up
C、for putting up with
D、to put up with
第4题
We have to put _____ our emotions and take it from a professional standpoint.
A) up
B) with
C) aside
D) off
第5题
Nobody noticed the thief enter the house because the lights happened to______.
A.be put up
B.give in
C.be turned on
D.go out
第6题
She is eager to ____ with the latest fashions in clothes.
A、pick up
B、keep up
C、put up
D、bring up
第7题
Nobody noticed the thief enter the house because the lights happened to______.
A.be put up
B.give in
C.be turned on
D.go out
第8题
You'll never guess the answer. Do you ()?
A、give up
B、get off
C、give away
D、get down
第9题
We should never ______ today's work till tomorrow.
A、put on
B、put off
C、put away
D、put up
第10题
Back then, when unemployment fell below 6.5%, inflation ______ .
A、got up
B、shut down
C、took off
D、put on
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