标题: 大全 470 [打印本页]
作者: hiiamjo 时间: 2005-1-31 18:44 标题: 大全 470
1. Lacking information about energy use, people tend to overestimate the amount of energy used by equipment, such as lights, that are visible and must be turned on and off and underestimate that used by unobtrusive equipment, such as water heaters.
(A) equipment, such as lights, that are visible and must be turned on and off and underestimate that
(B) equipment, such as lights, that are visible and must be turned on and off and underestimate it when
(C) equipment, such as lights, that is visible and must be turned on and off and underestimate it when
(D) visible equipment, such as lights, that must be turned on and off and underestimate that（D）
(E) visible equipment, such as lights, that must be turned on and off and underestimate it when
D选项中两个that的作用分别是什么？
作者: sammen 时间: 2005-1-31 22:28
第一个是 visible equipment,第二个是the amount of energy
作者: sunnyrain 时间: 2005-2-1 11:26
that are visible and must be turned on and off 在这里加个逗号，就清晰了
and underestimate that used by unobtrusive equipment, such as water heaters.
作者: hiiamjo 时间: 2005-2-6 16:31
明白明白，谢谢咯
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