The air surrounding us is important to everyone. Without air, we could not （1） Everyone understands that. But air is necessary（2）many other ways that are not always so obvious or widely known. For example, if we did not have air, （3） would be no sound. Sound travels through air. Where there is no air, there is no sound. （4）air, there would be no fire. There would be no automobiles, （5） motors need air in order to operate. Without air there would be no wind or clouds. There would be no （6）, as we know it. The night time would be very（7）, the days very hot. We would be forced to seek shelter from the sun, （8）there would be no atmosphere to protect us from the sun’s deadly rays. The atmosphere is all the air surrounding the （9） . Atmosphere pressure is the weight of all that air against the （10）of the earth. If we did not have atmospheric pressure, we could not have automobile tires. The tires would swell or burst if they did not have the pressure of the atmosphere against their surface.1、 A. living B. lively C. exist D. alive2、 A. under B. of C. on D. in3、 A. there B. they C. it D. we4、 A. Despite B. With C. As D. Without5、 A. however B. but C. since D. and6、 A. air B. weather C. breeze D. climate7、 A. warm B. cool C. cold D. hot8、 A. as B. so C. that D. so that9、 A. floor B. ground C. land D. earth10、 A. top B. surface C. face D. coverage
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We () the project on time without your kind assistance.A、hadn t had completedB、didn t have completedC、couldn t have completedD、cannot have completed
Man cannot live without______ water.A. aB. theC. anD. /
BBreakfast is very important． It- s one of the most important meals of the day． To build strong bodies and keep healthy, everyone should always eat a good breakfast． Eating the right food is needed for good health． We may have eggs, bread, milk, etc．for our breakfast．Many fathers and mothers don-t get their children to eat breakfast because they don't have breakfast themselves． It-s bad for their health．Without breakfast children may not grow as fast as they should and may not study and play as well in school in the morning as they could． They can be often ill, and when they're ill, it may take them longer to be in good health again than it takes children with good health habits．Without food the body will stop working． Nobody will live without food．( )26．If we eat a good breakfast,________A． we’ll be happy in the morningB． we’ll make our bodies strong and keep healthyC． we’ll eat less for lunchD． we’ll pass the exam
29． Which of the following is WRONG?A． People can- t live without food．B． There is no need for children to have a good breakfast． ．C． Children without breakfast may not study as well as children with breakfast in the morning．D． Breakfast is as important as the．other two meals of the day．
Without the instrument，we__________A．cannot’hardly do nothingB．cannot hardly do anythingC．can hardly do nothingD．can hardly do anything
Man cannot exist without water.A:expand B:rise C:live D:quit
