初中英语语法系统复习题和解析
题目
初中英语语法系统复习题和解析
答案
常插在call与up 之间.
【例:】 (1) I forgot to call up Mr. Jones yesterday although I promised to call him up exactly at three o’clock.
我昨天忘记打电话给钟斯先生,虽然我答应了在三点钟的时候打电话给他的.
(2) Did anyone call me up while I was out?
我出去的时候有人打电话来找我吗?
6.to turn on : (to start, begin)
【说明:】to turn on (扭开,打开)指扭开电灯,电炉,电扇,煤气等的按钮或开关,以及自来水的水龙头等而言.开电灯也可以用put on the light.
【例:】(1) Please turn on the light. This room is dark.
请你扭开电灯,这房间太黑暗了.
(2) Someone turned on the radiator in this room while we were out.
我们外出时,有人把房内的电炉扭开了.
7.to turn off : (to stop, terminate extinguish)
【说明:】to turn off (关闭,停止)指扭熄电灯,关闭无线电、自来水等.关灯也可以用put out the light.
【例:】(1) Please turn off the light. We do not need it now.
请把电灯关了,我们现在不需要它.
(2) Shall I turn off the radio or are you still listening to it?
我可以把收音机关掉吗,你是不是还要收听呢?
8.right away : (immediately, at once, very soon)
【说明:】right away (立刻,马上)为美国口头语,没有immediately与at once正式,系一副词片语,与right now (exactly now )的意思相仿.
【例:】(1) She says that dinner will be ready right away.
她说晚餐马上就准备好了.
(2) Can William come to my office right away?
威廉能够立刻就到我的办公室来吗?
9.to pick up : (to take-especially with fingers)
【说明:】to pick up (拾起,拣起)尤指用手指把东西拿起业而言.To pick up还有很多 其它的用法.如
①让人搭便车:
The motorist picked up a couple of servicemen along the highway .
(这个乘汽车的人在公路上让两个军人搭乘便车.)
②听会,自然学会,(言语,游戏等):
He never studied French; what he knows he picked up while living in France.
(他从来没有学过法文;他所知道的是他住在法国的时候听会的.)
③捉住,逮捕,萍水相逢便行订交,选出:
I picked up London last night.
(昨晚我在无线电听到了伦敦的播音.)
【例:】(1) John Picked up the newspaper which was on his desk.
约翰把书桌上的报纸拿了起来.
(2) Why didn’t you pick up that pencil which lay on the floor?
你为什么不把地板上的那枝铅笔拾起来呢?
10.at once: (immediately, very soon, right away)
【说明:】at once (立刻,马上)为一级通用的副词片语,也可以作为同时(simultaneously) 解,如:This book is at once interesting and instructive.(此书既有趣又有益.)
【例:】(1) He asked me to come to his office at once.
他请我立刻就到他的办公室去.
(2) I want you to send this telegram at once.
我希望你马上把这电报发出去.
举一反三
已知函数f(x)=x,g(x)=alnx,a∈R.若曲线y=f(x)与曲线y=g(x)相交,且在交点处有相同的切线,求a的值和该切线方程.
我想写一篇关于奥巴马的演讲的文章,写哪一篇好呢?为什么好
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