2. Between the outside and inside walls of the bowl there is some jelly, which freezes hard when cooled.
when cooled 为when it is cooled 的省略结构
when/while /once/unless/ if 等连词所引导的时间状语从句中的主语与主句主语相一致,且从句中含有系动词be 时,从句中的主语和系动词be可省略,形成“连词+分词” 结构。
When( it is )seen from the top, the tall building seems not tall at all.
If (it is)heated, it changed into steam.
考点例题:
(1)_________ with the size of the whole earth, the biggest ocean does not seem big at all.
A. Compare B. When comparing C. Comparing D. When compared
(2)_____more time, we are sure to finish it.
A. Given B. Giving C. Be given D. If giving
[模拟试题]
(一)用框内所给词组的适当形式完成下列句子。
set out; get through; convince…. of….; in case; now and
then; in amazement; pass…as…; ring off; in need of; in terms of |