欧美日韩黄网欧美日韩日B片|二区无码视频网站|欧美AAAA小视频|久久99爱视频播放|日本久久成人免费视频|性交黄色毛片特黄色性交毛片|91久久伊人日韩插穴|国产三级A片电影网站|亚州无码成人激情视频|国产又黄又粗又猛又爽的

19．The Shanghai Expo            for 60days so far．（　�。�
A．opensB．has openedC．has been openedD．has been open

分析 上海世博會到目前為止已經(jīng)開展六十天了．

解答 答案：D 根據(jù)for 60 days 可知，這是一個表示一段時間的時間狀語，而open是瞬間性動詞，不能持續(xù)一段時間，所以要用be open （延續(xù)性動詞be+形容詞open），它后面可以跟表示一段時間的狀語；又因為關鍵詞so far可知用現(xiàn)在完成時，現(xiàn)在完成時態(tài)的結構為have/has+動詞的過去分詞，主語是The Shanghai Expo，所以助動詞用has，故選D．

點評 本題要注意open的詞性，它既可以是動詞還能當形容詞．

練習冊系列答案
相關習題

科目：初中英語 來源： 題型：閱讀理解

9．"Listen carefully to what I say，"the time traveler said，"I shall tell you something that you will not agree．"
"Why will we not agree？"I asked．
"Because the science and mathematics you know are not correct，"he said．"You believe there are only three dimensions（三維空間）-length，breadth（寬） and thickness．"
"There is nothing to argue with that，"the youngest member of our little group said．
"Exactly!"the time traveler answered，"But there is also a fourth dimension-time．"
"We all know about time，"another member of the group said．"Time passed．"
"I do not agree，"the time traveler said，"Length，breadth and thickness do not pass．They stay in the same place in space．We move about them．I can prove that time is the same．It does not pass．We move in time the same way that we move in breadth，length and thickness．"
None of us believed the time traveler，and we argued with him for many hours．
"If we could travel back in time，"the scientist said，"We could do things to change the future．"
"If we could travel forward in time，"the doctor（博士） said，"we could do things that change our present．"
The time traveler smiled，"It is clear，"he said，"that there is only one way I can show you that I am right．We must do an experiment．Please wait here．"
He left the room and soon returned，carrying what looked like a clock．
"This is a model of a time machine．It took me two years to make it，"the time traveler said．"I want all of you to understand that when I start the machine，it will immediately travel in time and disappear from the present．"
He turned to the youngest of all．"Give me your hand，"he said．
The young man put out his hand．The time traveler took it and placed it on the machine．Immediately，there was a sudden wind，and the little machine disappeared．
I was certain this was not a trick，but the doctor was not so sure．
"Are you asking us to believe，"he said，"that the machine is now in a different time？"
"Certainly!In my laboratory，a full-size machine is almost complete．As soon as it is complete，I shall send myself on a journey through time．Would you like to see my machine？"
"Are you serious about this？"the doctor asked．
"I have never been more serious about anything，"the time traveler said，"Come．"
We followed him to his laboratory．There，we saw the actual machine，not quite complete，but large enough for a man to sit in．

41．How many dimensions did the time traveler say there are？C
A．Two．   B．Three．   C．Four．     D．Five．
42．How long did it take the time traveler to make his model time machine？A
A．Two years．     B．Two months．     C．Twenty years．   D．All his life．
43．Which is the right order of what happened in the story？D
a．The model time machine disappeared with a wind．
b．The time traveler came back to the room with a model time machine．
c．The members of the group argued with the time traveler for many hours．
d．The time traveler showed them a full-size time machine which was not quite complete．e．The youngest man's hand was placed on the model time machine．
A．e c a d b        B．b c e a d        C．c e b a d        D．c b e a d
44．What can we infer（判斷） from the passage about the time traveler？D
A．He believed that they could move in time．
B．He was playing a trick on a group of people．
C．He sent the young man to the future in the model time machine．
D．He would possibly send himself on a journey through time．
45．What kind of story do you think the passage is？B
A．A detective story．        B．A science fiction．
C．A romantic fiction．       D．A horror story．

查看答案和解析>>

科目：初中英語 來源： 題型：選擇題

10．Li Lei，my best friend，is a little            outgoing than any other student in his class．（　　）
A．muchB．manyC．moreD．very

查看答案和解析>>

科目：初中英語 來源： 題型：選擇題

7．-Would you mind my taking this seat？-______．（　�。�
A．Sorry，I can'tB．No，not at allC．It's a pleasure

查看答案和解析>>

科目：初中英語 來源： 題型：填空題

14．Luckily，I could get the last ticket to the concert．（luck）

查看答案和解析>>

科目：初中英語 來源： 題型：書面表達

4．目前，學生考試作弊現(xiàn)象嚴重，請圍繞以下要點談談其中原因以及個人建議．80詞左右．
一、原因：1．考試太多；  2．自身勤奮不夠；  3．把大量時間用在上網(wǎng)和玩游戲上；4．為了騙取家長和老師高興．
二、你的看法與建議．
   At present，a number of middle school students have picked up a bad habit----cheating in examinations．There are four main reasons．First，schools have given students too many exams，some of which are too difficult．Second，some
students are not hard-working and they don't work hard at their lessons．Third，they waste a lot of time playing games or
surfing the Internet．So they haven't enough time to prepare for the exams．Finally，students have to do so to make their
teachers and parents happy．
In my opinion，cheating in exams does great harm to our study．We students should be honest and diligent，and only in this way
can we improve our study and make progress．Besides，our teachers should offer us fewer exams and more time to study for
ourselves．．

查看答案和解析>>

科目：初中英語 來源： 題型：選擇題

11．-Congratulations!You have won the first prize in the photo competition．
-______．（　　）
A．Thank you!B．Good idea!C．Of courseD．Enjoy yourself!

查看答案和解析>>

科目：初中英語 來源： 題型：選擇題

8．You can save money _______ you buy cheaper things（　�。�
A．beforeB．unlessC．ifD．until

查看答案和解析>>

科目：初中英語 來源： 題型：選擇題

9．---Can you finish your work before dark？
---_______．（　�。�
A．No problemB．That's OKC．Never mindD．With pleasure

查看答案和解析>>

同步練習冊答案