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Ò»£®Í¬Òå´Ê.Ñ¡³öºÍ»®ÏߵIJ¿·ÖÏàͬ»òÏà½üµÄ¶ÌÓï»òµ¥´Ê¡£ 1.----Can I ask you a question? ---Wait for a moment. I'm coming. A. a long time B. a short time C. at once D. in time 2.He will return in two days. A. leave B. come back C. arrive D. get 3. They connect the computer to the printer. A.join B.carry C£®take D.join in 4. He made a foolish mistake. A. harmful B. silly C. dangerous D.fool 5. The boy is like his father. A. likes B. sounds like C. looks like D.look like 6. He didn't reply to my question. A. answer B. bring C. give D. save 7. We will have a test tomorrow. A. examine B. examination C. rest D. rule 8. Keeping their rooms tidy was her pleasure. A. nice B. Valuable C. neat and in good order D. successful 9. Rule a line at the end of every piece of works A. Touch B. Lock C. Control D. Draw 10. Do you take me for a fool? A. cheat B. silly person C. cooker D. Ruler ¶þ.´Ê»ãµ¥Ñ¡
1. Electricity_____a wire and it is like water.
A. comes from B. runs from C. comes through D. goes across 2. Stand____ 1 meter away from the machine when it is on.
A. at last B. at least C. at most D. at times 3.She_____because she wants to buy electricity in packets like sweets.
A. smells well B. feels worse C. looks foolish D. finds out 4. We can't see electricity, but we can___ it____ different forms of energy. A. translate...into B. change...into C. flow...into D. run...into 5. Please don't ____, it is bad for your teeth.
A. stay up B. flow across C. come from D. eat too many sweets 6. These wires ___cables under the street.
A. are connected to B. are made up of C. consist of D.make from 7. What does electricity really___
A.likes B.look like C.like D.looks like 8. Our head teacher is kind to us and she is like our mother, ____
A. on the way B. by the way C.in a way D.in the way
9. ---Electricity can help us ___ many kinds of jobs. ----Yes,it helps us ___ a servant£¨ÆÍÈË). A. with, with B. do; likes C. to do; like D. with, likes 10.Can you help me buy______sweets, please?
A. a piece of B. a packet of C. a copy of D. a cake of
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11.----_______ I swim here? ----I¡¯m sorry. Children _____ swim alone here. A. Must; can¡¯t B. May; must C. Can; mustn¡¯t D. Can¡¯t; can 12.You _____ jump onto a bus while it is still moving. It is too dangerous. A. can B. must C. can¡¯t D. mustn¡¯t 13.They ____do well in the exam.
A.Can be able to B.be able to C.am able to D.are able to 14.May I borrow your books?-- Yes,you______.
A. may B. can C. must D. need 15.---Look at that man over there.________ he be our teacher Mr.Luo? ------He ________be him. He has gone to Beijing.
A.May;must B.Can;may C.Can;can¡¯t D.May;can¡¯t 16. -¨CMy brother won the first prize in the speech competition. -¨CCongratulations! You ______ be excited about that!
A.need B.must C. would D. can 17.Some warm-hearted animals ___ hibernate (¶¬Ãß)
A.needn¡¯t B.does not need to C.needn¡¯t to D.don¡¯t need 18.____I go and apologize to my teacher for my mistake?
A. Should B.Need C.Can D. May 19.--May I stop my car here,sir? --No,you _________ .
A.may not B.mustn¡¯t C.can¡¯t D.needn¡¯t
20. ________I change the bulb now? --No,you may not. You _______switch off the electricity. A.Can;need B.May;must C.Must;must D.Can;must 21.John____ come to see us tonight, but he isn¡¯t very sure yet.
A.may B.can C.has to D.must 22.Is Tom at home now?
--He _____be at home,now. Because I _______ his room just now,and he answered. A.must;called B.can¡¯t;phone C.may;called D.must;phoned 23.Shall I tell Tom something about it? --No,you ________
A.mustn¡¯t B.needn¡¯t C.can¡¯t D.won¡¯t 24.My mother is ill.So I ______to look after my little brother.
A.must B.may C.have to D.should Èý£®ÍêÐÍÌî¿Õ
We are lucky to live in a rich country where we have many things. However, most of us usually 1 some things.
Electricity is one thing that we waste most. Lights, TVS, 2 and other things are often kept on even when
no one is using them. We should turn them off when we do not need them. It takes less than a second to do it. Anyhow, not wasting electricity save money, because we do not have to care for the electricity we do not use. The second thing that we often waste is water. Fresh water is precious, 3 it shouldn't be wasted. It is only a simple matter of turning off a tap. I am sure 4 can do this easily if he wants to. 5 big waste is food. My mother 6 cook so much food that much of it was thrown away. I told her we had wasted so much 7 . She thought I was right and now cooks mainly what we can eat.
It is not 8 to be wasteful. I find there is a simple way of not wasting things. That is to use only
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what
we 9 . Do not touch what we do not need. 10 this way we can stop being wasteful. 1. A. use B. wash C.waste D.forget 2 A. radios B. apples C.bikes D.doors 3. A. though B. because C. so D.but 4. A. nobody B. something C.everybody D.nothing 5. A. Others B. Other C.Another D.the other
6. A. planned to B. used to C.was able to D.was afraid to 7. A. electricity B. water C. food D.money
8. A. right B. fine C.bad D. necessary 9. A. buy B. need C.bring D.get 10.. A. On B. In C.For D.At ËÄ.ÔĶÁÀí½â
Light and shadow£¨Ó°×Ó£© are friends. They usually go together. We receive light every day. At the same time, we produce shadow.
Light cannot shine through you. Your body stops it from passing. There is a dark spot on the ground
next to you. The light cannot reach the dark spot. This is your shadow.
At noon the sun shines over your head. Your body stops very little light from reaching the ground.
We love light, especially sunlight. Without sunlight, life on earth is impossible. Most of us like to stand
in the shadow of a tree in summer. But some people are afraid of their own shadow at night. They do not want to walk in a dark street. They do not want to see the shadow, either. But still light and shadow usually go together.
1. The sentence \ A. the shadow produce light
B. the light usually follows the shadow C. they usually get on well with each other
D. when we get light, we can get shadow. They are always together. 2. Light cannot shine through you because ___.
A. it is too weak B. your body stops it from traveling on
C. your body is tall and strong D. there is a dark spot on the ground next to you 3. Your body's shadow is long because ____.
A. the sun is low in the sky in the morning or late afternoon B. the sun is over your head
C. the sunlight is very strong at noon
D. your body stops very little light reaching the ground
4. It is ___ in the shadow of a tree in summer; so many people like to stay there. A. hot B. warm C. cool D. cold 5. Which of the following is not true?
A. There will be no shadow without light.
B. Shadow is produced when something stops the light from passing. C. We produce light when we receive it.
2020ÄêÅ£½òÉîÛÚ°æÆßÄ꼶ӢÓïϲáUnit6 Electricity²âÊÔ¾í¼°´ð°¸
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