2019.9.27 词汇课21 课后作业

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1.
词根-tain表示的含义有________。【多选题】
A.持有；维持
B.保留；保存
C.拿着；拥有
D.外；另外
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2.
Critics (批评者) ________ that these reforms will lead to a decline in educational standards.  
A.retain
B.amuse
C.maintain
D.refresh
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3.
The government should do more to promote ________ agriculture.
A.household
B.continued
C.integral
D.sustainable
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4.
词根-tact、-tag、-teg、-tang表示的含义为________。
A.接触；触摸
B.移动；感动
C.折叠；弯曲
D.力量；实力
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5.
Most of the house remains ________ even after two hundred years. 
A.tactile
B.intact
C.inevitable
D.entertaining
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6.
I finally managed to ________ a copy of the report.
A.comedy
B.avoid
C.obtain
D.vacuum
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7.
词根-void, -vac, -vacu, -van表示的含义为________。
A.放
B.空
C.来
D.转
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8.
Only a few apartments were still ________.
A.vacant
B.attain
C.container
D.holding
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9.
It is important to take measures to ________ the risk of fire.
A.vanish
B.sustain
C.tactic
D.avoid
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10.
I have always regarded him as a man of ________. 
A.devoid
B.integrity
C.continuity
D.vacation
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