【題目】If we had taken such effective measures much earlier, the river___ soseriously now.

A. is not polluted B. would not be polluted

C. had not been polluted D. would not have been polluted

【答案】B

【解析】選B　句意：如果我們?cè)绮扇∮辛Υ胧F(xiàn)在河水就不會(huì)污染這么嚴(yán)重。主句表示與現(xiàn)在事實(shí)相反的虛擬語氣，用would加動(dòng)詞原形。

練習(xí)冊(cè)系列答案
相關(guān)習(xí)題

科目：高中英語 來源： 題型：

【題目】She is in a poor ______of health,________ worries her mother a lot.

A. state, which B. condition, which

C. situation, it D. position, that

查看答案和解析>>

科目：高中英語 來源： 題型：

【題目】_____ in charge of two classes made Mrs．Li, head of Senior Grade 3, extremely tired．

A． Leaving

B． Left

C． Being left

D． Having left

查看答案和解析>>

科目：高中英語 來源： 題型：

【題目】Helping others is a habit, ___ you can learn even at an early age.

A. it B. that

C. what D. one

查看答案和解析>>

科目：高中英語 來源： 題型：

【題目】Some people do some _____work without getting any money in return . These people are called volunteers.

A. valuable B. voluntary

C. vacant D. visible

查看答案和解析>>

科目：高中英語 來源： 題型：

【題目】Personal space is the region surrounding a person ________ they regard as psychologically theirs．

A． who B． where C． when D． Which

查看答案和解析>>

科目：高中英語 來源： 題型：

【題目】—Hurry up！There’s a bus coming！

—Why run？There will be_____one in two or three minutes．

A． another B． other

C． the other D． any other

查看答案和解析>>

科目：高中英語 來源： 題型：

【題目】What a bargain！The price of this dress is_______ that of the skirt．

A． half not as much as B． much not as half as

C． not half as much as D． as much as not half

查看答案和解析>>

科目：高中英語 來源： 題型：

【題目】—What do you think of teaching?

—I find it fun and demanding. It is a job____ you are doing something serious

but interesting.

A. where B. which C. that D. what

查看答案和解析>>

同步練習(xí)冊(cè)答案