2. 外语
  3. It is important to maintain a constant temperature inside the greenhouse. The underlined part means

It is important to maintain a constant temperature inside the greenhouse. The underlined part means

admin2016-11-13  78
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”。
转载请注明原文地址:https://kaotiyun.com/show/6IJK777K
0

专业英语四级

相关试题推荐
随机试题
最新回复(0)