题目内容
（请给出正确答案）
A.know, remember
B.to know, carry out
C.to know, follow
D.to know, stick
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更多“It is necessary for the studen…”相关的问题
Because the company was doing more business, it was necessary to ______ the factory.
A．extend
B．increase
C．rise
D．lookers
In the last paragraph，the author mainly intends to
A．list the necessary changes we ought to make
B．advise US to make any necessary changes
C．explain what changes can bring
D． explain the process of making changes
A．variety
B．fraction
C．section
D．series
Criticism and self-criticism is necessary it helps us to correct our mistakes.
A．since that
B．in that
C．due to
D．because of
A bone marrow test, (what) (involves) extracting fluid from the marrow, (maybe) necessary (for diagnosing) leukemia.
A．what
B．involves
C．maybe
D．for diagnosing
It is necessary that she ______ to the hospital at once.
A．send
B．was sent
C．have been sent
D．be sent
According to the author, ______.
A．learning is not important
B．knowledge means little
C．thinking is not necessary
D．it is not important what we learn
It is necessary that an efficient worker______his work on time.
A．accomplishes
B．has accomplished
C．accomplish
D．can accomplish
It is necessary that anyone ______exercises every day if he wishes to keep healthy.
A. do
B. would do
C. did
D. will do
