warms
warmed
warming
to warm
第1题:
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. alive
2、 A. under B. of C. on D. in
3、 A. there B. they C. it D. we
4、 A. Despite B. With C. As D. Without
5、 A. however B. but C. since D. and
6、 A. air B. weather C. breeze D. climate
7、 A. warm B. cool C. cold D. hot
8、 A. as B. so C. that D. so that
9、 A. floor B. ground C. land D. earth
10、 A. top B. surface C. face D. coverage
第2题:
第3题:
A、one of the suns’ planets
B、one of the sun's planets
C、one of the sun’s planet
D、one of the suns’ planet’s
第4题:
第5题:
第6题:
A mean sun is used as the reference for solar time for three reasons. Which reason is NOT a cause for use of a mean sun?
A.The motion of the apparent sun is along the ecliptic
B.Measurement of time is along the celestial equator
C.The speed of the Earth's revolution is not constant
D.There are variations in the Earth's rotational speed
第7题:
第8题:
A.The earth's surface
B.The surface of earth
C.The surface earth
D.The earth surface
第9题:
第10题: