优课网
首页
数学
语文
英语
化学
物理
政治
历史
生物
首页
> If we _________ the earth, we must take action before it is too late. A.will save B.are to save C.ar
If we _________ the earth, we must take action before it is too late. A.will save B.are to save C.ar
题目简介
If we _________ the earth, we must take action before it is too late. A.will save B.are to save C.ar
题目详情
If we _________ the earth, we must take action before it is too late.
A.will save
B.are to save
C.are about to save
D.are saving
题型:单选题
难度:中档
来源:不详
答案
B
试题分析:原句意思是,如果我们要拯救地球,那么在太迟之前我们必须采取行动。be to do结构,在条件状语从句中用一般现在时表示将来,答案为B。
点评:解答此类题型要根据前后句的关系,来判断时态。be to do结构,在条件状语从句中用一般现在时表示将来。
上一篇 :
My wife ______the night shif
下一篇 :
Ever since junior middle sch
搜索答案
更多内容推荐
My uncle _____ to see me. He'll be here soon.A.comes B.is coming C.had come D.came-高一英语
______ of danger in the street at night, she had to go home, with a friend _____ her.A.Warned ; acco
下列各式中,正确的是A.B.C.D.-八年级数学
(2011?江汉区)计算:.-八年级数学
----- What’s that terrible noise? ----- The neighbors ________ for a party.A.are preparingB.prepareC
I got caught in the rain and my suit _____.A.has ruinedB.had ruinedC.has been ruinedD.had been ruine
There ________ no water for 2 days, the travellers were all thirsty. A.having beenB.had beenC.isD.wa
I have no money now. Even if I ______ money, I _______ such an expensive car.A.have; won’t buy B.ha
It was the first time that I ___________ the night face to face. A.had seen B.have seenC.see D.seein
Tony said that he _________ to China to see the giant pandas the next week.A.will goB.would goC.have
一I’m sure Andrew will win the first prize in the final.一I think so.Hefor it for months.A.is preparin
—You didn’t go to Europe, why? —I _____ this morning, but I _____ to Shanghai because of an emergen
The ticket two people to the palace ball.A.permitsB.admitsC.promisesD.awards-高三英语
No decision _about any future plan until we have done some research into the student preference.A.ha
计算与解方程:(1)x(2x-1)=3(2x-1);(2)239x+6x4-2x1x.-数学
(6分)计算:-八年级数学
下列函数中自变量x的取值范围是x>1的是().A.B.C.D.-八年级数学
二次根式有意义时,x的取值范围是()A.x≥B.x≤﹣C.x≥﹣D.x≤-八年级数学
Look at the timetable (时刻表). Hurry up! Flight 4026 _______ off at 18:20.A.takesB.tookC.will be taken
187. Bill Gates has made it known that much of his wealth _______ to the society.A.will leaveB.has l
—Sorry to have interrupted you. Please go on. —where was I?—You ____ you didn’t like your father’s j
Three years ____ a long time for us students.A.areB.beC.isD.have been-高三英语
Hay, I _________ to meet you here. How long have you been here? A. don’t expectB didn’t expect C. h
The police questioned William closely and he finally admitted ________the car.A.to stealB.having sto
No decision __about any future appointment until all the candidates have been interviewed.A.will be
Customers are asked to make sure that they ____ the right change before leaving the shop.A.will give
Those boys _____ many times not to go on line, but it doesn’t make any difference.A.have toldB.toldC
--- Do you love teaching, Miss He?--- I fell in love with teaching in 2000. I ________ for twelve ye
---Remember how we met for the first time, Dick?---Of course I do. You _________ to the teachers
---Don't put the waste on the ground. ---Oh, I'm very sorry. I ________ the dustbin(垃圾箱) t
(2011?菏泽)使有意义的x的取值范围是.-八年级数学
(2011?菏泽)实数a在数轴上的位置如图所示,则化简后为()A.7B.﹣7C.2a﹣15D.无法确定-八年级数学
(11·西宁)若二次根式有意义,则x的取值范围是_▲.-八年级数学
—Is there anything wrong, Bob? You look sad. —Oh, nothing much. In fact, I _____ of my friends back
已知二次根式与最简二次根式是同类二次根式,则x值为-八年级数学
30.Mr. Li arrived at the Wuguang train station twenty minutes ago, but the train to Guangzhou_______
Hurry up! The shop __ in five minutes.A.closes B.is closing C.has closed D.is about to close-高一英语
I’m tired out. I__________all afternoon and I don’t seem to have finished anything.A.shoppedB.have s
The version _______ to be closest to the author’s original now belongs to a national museum in Paris
As high school students, it’s very important to keep ourselves ______ of what’s happening home and
——Mike, have you heard that Mr. Black knocked down a girl and hurt her badly yesterday morning. ——Y
—What were you doing when I phoned you last night? —I my painting and was starting to take a bath.A
The Russian rocket designer has died. For many years, he ______ as an important assistant to the fat
A lot of attention ______ to greenhouse gas emission. Look at those environmental posters.A.is payin
Sean’s strong love for his country is in his recently published poems.A.relievedB.reflectedC.respond
Mr. Lee, who as a guide for over 10 years, is now a manager in a big travel agency.A.workedB.has wor
When I was a little child, Father told me the earth ___ round then sun.A.turnB.turnedC.is turnedD.tu
(2011贵州六盘水,15,4分)一个正方形的面积是20,通过估算,它的边长在整数_______与_______之间。-八年级数学
She__________to the office than she got down to writing the report.A.has no sooner gotB.had hardly
The boy was curious about how the waste paper was into a model kite.A.improvedB.unitedC.transformedD
返回顶部
题目简介
If we _________ the earth, we must take action before it is too late. A.will save B.are to save C.ar
题目详情
答案
试题分析:原句意思是,如果我们要拯救地球,那么在太迟之前我们必须采取行动。be to do结构,在条件状语从句中用一般现在时表示将来,答案为B。
点评:解答此类题型要根据前后句的关系,来判断时态。be to do结构,在条件状语从句中用一般现在时表示将来。