Question

    Do you like exercising in the sun? How much sunlight do you get every day? How much time do you spend in the _______ ? As we all know，enough sunlight is good for our health. It gives us strong bones（骨骼）and good eyesight. It makes us happy and sleep better. Now scientists find out that it can even make you _______ .

Scientists did tests on mice. They give mice lots of sunlight. After that，the mice _______ a special thing named glutamic acid（谷氨酸）in their bodies. Glutamic acid does many things for our body. It can improve some of our abilities such as learning and remembering things.

It is OK to enjoy some sunlight for about an hour every day. But you should be _______ because it is summer now. The sun is very strong around noon. Keep yourself away from the sun around the noon, or it may _______ your skin（皮肤）. It is best to enjoy sunlight in the morning or before sunset.

Why not go out and enjoy the _______ with your family or your best friends? I'm sure you can be smarter soon.

1.A.moon B.sun C.night

2.A.smarter B.taller C.thinner

3.A.invent B.find C.produce

4.A.careful B.serious C.clever

5.A.shine B.burn C.dry

6.A.time B.air C.sunlight

Answer

1.B

2.A

3.C

4.A

5.B

6.C

【解析】

这是一篇说明文，文章主要讲述阳光对人的健康有好处，而且让人变得更聪明，但是要注意夏天中午的强烈阳光伤害皮肤。

1.

句意：你在阳光下度过多少时间？

moon月亮；sun太阳；night晚上。根据前文“exercising in the sun”可知此处用in the sun。故选B。

2.

句意：现在科学家发现它能使你更聪明。

smarter更聪明的；taller更高；thinner更瘦的。根据后文“I'm sure you can be smarter”可知此处讲述的是让人更聪明，用形容词比较级smarter。故选A。

3.

句意：那之后，老鼠在体内产生了一种叫做谷氨酸的特别的东西。

invent发明；find找到；produce生产,制造。此处用动词produce表达老鼠在体内产生谷氨酸。故选C。

4.

句意:但是你应该小心，因为现在是夏天。

careful小心的；serious严肃的；clever聪明的。根据“because it is summer now. The sun is very strong around noon”可知夏天阳光很强要小心，用形容词careful。故选A。

5.

句意：让自己远离中午的太阳，否则它可能灼伤你的皮肤。

shine照耀；burn燃烧，灼伤；dry干燥。根据前文“The sun is very strong around noon”中午的太阳很强烈，可能会灼伤你的皮肤，可知此处用burn。故选B。

6.

句意：为什么不出去，和你的家人或朋友享受阳光？

time时间；air空气；sunlight阳光。根据前文讲述“enough sunlight is good for our health”可知此处用sunlight表示阳光。故选C。