题目内容

What's the author's attitude shown in the passage？

A. Supportive to the scientists' research.
B. Opposed to the lead pollution.
C. Just descriptive of an on-going fact.
D. Positive to the prospect of the solution of lead pollution.

查看答案

搜索结果不匹配？点我反馈

更多问题

Income of the Board of Governors______.

A. is borrowed from the U.S. Treasury
B. is used by the government to make various policies
C. comes from the U.S. Treasury
D. is not granted by the government

查看答案

Impressive and complex as it may appear, the rocket, which was 【C4】 in China over 800 years ago, is a relatively simple device. Fuel that is 【C5】 in the rocket engine changes 【C6】 gas. The hot and rapidly 【C7】 gas must escape, but it can do so only through an opening that 【C8】 backward. As the gas is 【C9】 with great force, it 【C10】 the rocket in the 【C11】 direction. Like the kick of a gun 【C12】 it is fired, it 【C13】 the laws of nature 【C14】 by Sir Isaac Newton when he discovered that" 【C15】 every action, there is an equal and opposite reaction."
【C1】__

A. shown
B. been
C. appeared
D. proved

查看答案

Oil spills have occurred______.

A. at the site of extraction
B. during transportation
C. before making use of it
D. A＆B

查看答案

It can be inferred from the last paragraph that scientists______.

A. lack sufficient means to combat lead pollution
B. still consider lead pollution a problem
C. believe lead pollution is not a problem any more
D. have found way to solve the problem of lead pollution

查看答案

What's the author's attitude shown in the passage？

A. Supportive to the scientists' research. B. Opposed to the lead pollution. C. Just descriptive of an on-going fact. D. Positive to the prospect of the solution of lead pollution.

Income of the Board of Governors______.

Oil spills have occurred______.

It can be inferred from the last paragraph that scientists______.

A. Supportive to the scientists' research.
B. Opposed to the lead pollution.
C. Just descriptive of an on-going fact.
D. Positive to the prospect of the solution of lead pollution.