更多"Scientists have exerted great effor"的相关试题:
[填空题]Scientists have exerted great efforts to search other planets for any life forms.
[单项选择]International efforts against Serbia have been ineffective because_______.
A. ships carrying illegal supplies still sail along the river.
B. more illegal goods have been carried over land.
C. local authorities didn’’t attempt to stop illegal goods.
D. there has been disagreement over economic sanctions.
[单项选择]Recent reform efforts (have been focused) on encouraging lifelong or recurrent education to meet (changing individual and social need). Thus, not only (the number of students has increased), (but) the scope of education has also expanded
A. have been focused
B. changing individual and social need
C. the number of students has increased
D. but
[单项选择]Various efforts have been made over the centuries to predict earthquakes, including observing lights in the sky and ______ animal behavior.
A. absurd
B. abnormal
C. exotic
D. erroneous
[单项选择]Great efforts to increase wheat production must be made if bread shortages（）avoided.
A. will be
B. can be
C. are to be
D. were to be
[单项选择]Great efforts should be made to inform the public of the terrible consequences of neglecting environmental Protection.（）
A. 公众已经在了解保护环境的结果上做了很大努力。
B. 应大力向公众宣传忽视环境保护的可怕后果。
C. 应花大力气通知公众忽视环境保护的可怕后果。
D. 人们已经在向大众宣传保护环境的结果上做了很大努力。
[填空题]Their efforts to improve the corn production have been very (effect)（）
[填空题]Their efforts to improve the school education have been very（）(effect).
