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It is important to maintain a constant temperature inside the greenhouse. The un
It is important to maintain a constant temperature inside the greenhouse. The un
游客
2023-10-29
75
管理
问题
It is important to
maintain
a constant temperature inside the greenhouse. The underlined part means _____.
选项
A、prevent
B、regain
C、retain
D、repel
答案
C
解析
考查动词词义辨析。maintain在此处的意思为“保持”,四个选项中,意思与之一致的是retain“保持,保留”。A. prevent“阻止”;B.regain“恢复”;D.repel“击退”。
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