问题补充:
单选题Itishumanactivityhascausedthisglobalwarming.A.whichB.thatC.whatD.why
答案:
B解析考查强调句型。本句强调句子的主语。可以把it is 和that去掉,句子Human activity has caused this global warming.句意:正是人类的活动导致了全球变暖。
时间:2019-03-17 04:18:34
单选题Itishumanactivityhascausedthisglobalwarming.A.whichB.thatC.whatD.why
B解析考查强调句型。本句强调句子的主语。可以把it is 和that去掉,句子Human activity has caused this global warming.句意:正是人类的活动导致了全球变暖。