18.Rice is one of the world's most _________ food crops.The success of this grain is due to the plentiful rainfall in the regions where it's grown.( )
A. | abundant | B. | remote | C. | specific | D. | relevant |
17.Looking at the video,the boy had no ___________ but to admit cheating in the exam and ask the teachers to forgive him.( )
A. | possession | B. | alternative | C. | commitment | D. | doubt |
16.---How was your recent trip to Qinghai?
---I've never had _______ one.( )
---I've never had _______ one.( )
A. | a pleasant | B. | the most pleasant | ||
C. | a more pleasant | D. | a mostpleasant |
15.In my home breakfast is ________ at 7o'clock,whic has ________ unchanged for 20years.( )
A. | ordered; lasted | B. | served; remained | ||
C. | served; appeared | D. | ordered; developed |
14.Beijing's bid for ______2022 Winter Olympics has driven public enthusiasm for winter sports to ______ new heights.( )
A. | a; the | B. | /;/ | C. | the;/ | D. | /; the |
13.Parents who look to having a second child are facing a dilemma.This is ________many of them have passed their"golden age".( )
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A. | why | B. | how | C. | because | D. | whether |