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题目内容
（请给出正确答案）
A．will be
B．can be
C．are to be
D．were to be
答案
C
解析：句意：要避免面包短缺，必须更加努力来提高小麦的产量。be+不定式表示将来，含有“按计划，必须”的意思。因此C为正确答案。
更多“Great efforts to increase wheat production must be made if bread shortages ______ avoided.”相关的问题
第1题
_____great efforts, we failed to carry our plans through.
A．As a result of
B．Apart from
C．Owing to
D．In spite of
第2题
They made great efforts to throw______the chains of tradition.
A．over
B．away
C．off
D．down
第4题
The author quotes the example of Straus in Para. 4 to show
A．the whole process of applying for the non-GMO certification.
B．the great efforts for getting the certified non-GMO certification.
C．the efforts Straus making to earn the non-GMO label.
D．the great efforts Straus making to get certified organic.
第5题
第6题
A. run into
B. run through
C. run out
第7题
第8题
The example of Abby Coyle shows that ______.
A．she has taken great efforts to be good at both subjects
B．the main job of elementary school teachers is to see whether you are good at math or English
C．every student has to choose either math or English as his strong point
D．every student has to decide whether he or she will be good at math or English
第9题
5：Which of the following is not true？
A.Several leaders in education made great efforts to promote the educational innovations.
B.Church leaders influenced education a lot before the progressive changed.
C.College entrance requirements were elevated in the late 1800s.
D.The sense of public duty was neglected in the late 1800s.
第10题
Which of the following is not true？
A．Several leaders in education made great efforts to promote the educational innovations.
B．Church leaders influenced education a lot before the progressive changed.
C．College entrance requirements were elevated in the late 1800s.
D．The sense of public duty was neglected in the late 1800s.
第11题
A．though
B．before
C．for
D．but
