I was informed that the contract would come into _______on the first day of the following
A. influence
B. effect
C. affect
D. affection
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第三次科技革命是人类文明史上的又一次重大飞跃。下列选项中,属于第三次科技革命的是()。
A. 汽车
B. 电话
C. 蒸汽机
D. 电子计算机
It was essential that the application forms _______ back on time
A. must be sent
B. was sent
C. be sent
D. were sent
Rather than ______ money in such a dishonest way, Jack would beg in the street.
A. get
B. got
C. getting
D. to get
丘陵起伏不大,坡度较缓,地面崎岖不平,是由连绵不断的低矮山丘组成的地形,为世界五大陆地基本地形之一。下列不属于我国三大丘陵的是()。
A. 山东丘陵
B. 辽东丘陵
C. 东南丘陵
D. 黄土丘陵