[题目]From space, the earth looks blue. This is about seventy-one percent of its surface is covered by water.A.whyB.howC.becauseD.whether 题目和参考答案——青夏教育精英家教网—

【题目】From space, the earth looks blue. This is about seventy-one percent of its surface is covered by water.
A.why
B.how
C.because
D.whether

【答案】C
【解析】句意：从太空看，地球看起来是蓝色的，这是因为它的表面的71%被水覆盖。A.why"为什么";B.how"怎样, 如何";C.because"因为";D.whether"是否". why在引导表语从句时强调结果;because引导表语从句强调原因,结合语境可知选C.

练习册系列答案

教材解读与拓展系列答案

相关习题

科目：高中英语 来源： 题型：

【题目】Though she has achieved great success, she has never felt content it.

科目：高中英语 来源： 题型：

【题目】I have pleasure in introducing to you the man without generosity your club would cease to exist.

A.whoseB.thatC.whichD.this

科目：高中英语 来源： 题型：

【题目】There something wrong with the engine of the car, we had to go to the park by taxi.

A.having beenB.beingC.isD.was

科目：高中英语 来源： 题型：

【题目】The young man comes from a(n) family，who owns several companies in London and Paris.

科目：高中英语 来源： 题型：

【题目】I'm trying to break the of getting up too late.

科目：高中英语 来源： 题型：

【题目】Most domestic car rental reservations can be canceled with no penalty ___ you find a better rate even on the day of the trip.

A.mayB.shallC.wouldD.should

科目：高中英语 来源： 题型：

【题目】It be the vocabulary that caused you the problem in the exercise because you know a lot of words.
A.may
B.couldn't
C.should
D.needn't

科目：高中英语 来源： 题型：

【题目】I warn you; I'm beginning to lose my (耐心) with you.

同步练习册答案