...〕.A.45% B.60% C.85% 2.结合世界水日，我国把每年...

优质解答

人体内的水分,大约占到体重的60%-70%

所以选B

1993年1月18日,第四十七届联合国大会作出决议,确定每年的3月22日为“世界水日”.

1994年开始,把"中国水周"的时间改为每年的3月22日至28日,时间的重合,使宣传活动更加突出"世界水日"的主题.

所以选A

其他回答

1.人体内的液体,大约占到体重的85% 。

2.“世界水周”3月22日 1992年12月22日，联合国大会的47/193号决议设立了世界水日。这是提醒公众重视水资源问题的一个特殊的日子。

其他类似问题

问题1：回答下列问题：fish and lives with his father------Marling.One day Nemo is stolen from his coral reef home and put in a fish tank(鱼缸） in a dentist's office in Sydney,Australia.His father was very wor-ried but he has always been a timid([英语科目]

1.what is Nemo?

Nemo is a fish.

2.whom does Nemo live with?

Nemo lives with his father.

3.where is put after he is stolen from his coral reef home?

Nemo is put in a fish tank in a dentist's office in Sydney,Australiaafter he is stolen from his coral reef home.

4.How is Nemo's father then?

His father was very worried.

5.Is Dory Nemo's mother?

No,it isn't.

6.How is Dory?

Dory is kind but very forgetful.

7.Who meet many interesting events on their journey to rescue Nemo?

Marlin and Dory met many interesting events on their journey to rescue Nemo

8.Marlin finds himself to be a hero,doesn't he?

Yes,he does.

希望能够帮到楼主

9.What does Dory help Marlin?

10.Does Nemo get back home safely at last?

问题2：回答下列题目：Finding Nemo(海底总动员）is an American cartoon movie.Nemo in the movie is a boy fish and lives with his father------Marling.One day Nemo is stolen from his coral reef home and put in a fish tank(鱼缸） in a dentist's of[英语科目]

1 Nemo is a boy fish

2 lives with his father

3 put in a fish tank in a dentist's office in Sydney,Australia

4 was very worried but he has always been atimid

5 no

6 kind but very forgetful

7 Dory and Marling

8 yes,he does

9 help Marlin to search the ocean to find Nemo

10 don't metion it

问题3：请解答下列问题1) 企鹅问题：　　一个女孩有一天给一个男孩做了一道菜,男孩吃完了,但是觉得味道怪怪的,于是他问那女孩,这是什么肉啊?女孩说,这是企鹅肉,男孩沉思了一会……痛哭起来,

1.

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3当年那个水草是他女朋友的头发,他摸到了,却没有救起她,后悔得自杀.

4那妹妹就可以在姐姐的葬礼上再次看见那个男子了.

5高点个侏儒在瞎子侏儒睡觉的时候,把木头家具削矮了,瞎子侏儒起来摸到家具,以为自己长高了,就自杀了.

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问题4：2√12+3√48 5√2+√8-7√18[数学科目]

2√12+3√48

=2√3+3*4√3

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=5√2+2√2-7*3√2

=-14√2

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面积=25×20=500平方米

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