with a tank of air on your back ,you canSkin-diving(轻装潜水)is a new sport today. This sport takes you into a wonderful world. It is like a visit to the moon. When you under water, it is easy for you to climb big rocks, because you are no lo

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withatankofaironyourback,youcanSkin-diving(轻装潜水)isanewsporttoday.Thissporttakesyouintoawonderfulworl

with a tank of air on your back ,you canSkin-diving(轻装潜水)is a new sport today. This sport takes you into a wonderful world. It is like a visit to the moon. When you under water, it is easy for you to climb big rocks, because you are no lo
with a tank of air on your back ,you can
Skin-diving(轻装潜水)is a new sport today. This sport takes you into a wonderful world. It is like a visit to the moon. When you under water, it is easy for you to climb big rocks, because you are no longer heavy.
Here, under water, everything is blue and green. During the day, there is much light. When fish swim nearly, you can catch them with your hands.
When you have tanks of air on your back you can stay in deep water for a long time. But you must be careful when you dive in deep water.
To catch fish is one of the most interesting parts of this sport. Besides, there are more uses for skin-diving. You can clean ships without taking them out of water. You can get many things from the deep water.
Now you see skin-diving is both useful and interesting.
With a tank of air on your back, you can __________.
A. catch fish easily
B. stay under water for a long time
C. climb big rocks
D. have more fun
为什么选择D,不是B

with a tank of air on your back ,you canSkin-diving(轻装潜水)is a new sport today. This sport takes you into a wonderful world. It is like a visit to the moon. When you under water, it is easy for you to climb big rocks, because you are no lo
我觉得是因为stay in deep water和stay under water,不是完全相同的意思.一个是强调在深水里停留,另一个只是说在水下,没有具体表明深浅.
第四个选项have more fun,虽然一下无法能找到直接的语句,但是从后两段中“To catch fish is one of the most interesting parts”,和“Besides, there are more uses for skin-diving.”以及“You can get many things from the deep water”,应该算是可以找到根据.
不过我个人认为这个题如果真的选第四,是比较缺德的出题方法,基本上就是要忽悠你,选那个看起来很像的.不是在考阅读理解的能力了,小心一点吧.

这是。。。。。

其实这个很好理解的
首先,选项ABC都只是单一的列举了潜水到更深处的乐趣或者作用,例如
A:更简单的抓到鱼(乐趣)
B:在水底呆的更久。(作用)
C:攀登大的岩石。(乐趣)
D:享受更多的乐趣 (一句话概括全部)
而D是总得概括这一活动的目的,不管是抓鱼,还是可以在水底呆的更久,或者其他的好处,都是可以让这个活动显得更有趣。故选D。...

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其实这个很好理解的
首先,选项ABC都只是单一的列举了潜水到更深处的乐趣或者作用,例如
A:更简单的抓到鱼(乐趣)
B:在水底呆的更久。(作用)
C:攀登大的岩石。(乐趣)
D:享受更多的乐趣 (一句话概括全部)
而D是总得概括这一活动的目的,不管是抓鱼,还是可以在水底呆的更久,或者其他的好处,都是可以让这个活动显得更有趣。故选D。

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if the air in a tank is removed with each stroke of a vacuum Air tank can p___many hours of air A tank of 0.1-m3 volume contains air at 25oC and 101.33 kPa.The tank is connected to a compressed- with a tank of air on your back ,you canSkin-diving(轻装潜水)is a new sport today. This sport takes you into a wonderful world. It is like a visit to the moon. When you under water, it is easy for you to climb big rocks, because you are no lo A tank with full water has a inverted circular cone with base of radius 5 m and H of 10 m .If the tank has a hole and is leaking and the water level is decreasing at the rate of 3 m/min –estimate the rate at which the tank is losing water when the Above the land and water _ with a depth estimated to be from 50 to 200 miles.A.a layer of air isB.will a layer of air beC.a layer of air beD.is a layer of air 每个单词都认识,how many minutes willit take to completely fill a water tank with a capacity of 3.750cubic feet if the water is being pumped into the tank at the rate of 800 cubic feet per minute and is being drained out of the tank at the rate PLATE OF WATER TANK with an air of怎么翻译? Above the land and water _ with a depth from 50 to 200 miles.A.a layer of air isB.is a layer of airC.will a layer of air beD.a layer of air will be为啥 A great deal of smoke with c__ is sent into the air,causing much pollution We believe scientists will come up with a way to solve the problem of air pollution. A helmet is a large hard hat that protects the head and is conneted to the air tank翻译 英语翻译Regarding the cylindrical storage tank,there are ICS systems consisting of a number of small diameter tubes with one beside the other and also systems of one or two large diameter cylindrical storage tanks combined with curved reflectors. I'm a Dreamer on air,Dreaming on air with I'm a Dreamer on air,Dreaming on air with Tank you( ) A:a lot of B:lots of C:lot of D:a lot 英语翻译Convection cooking combines hot air movement,by means of a fan,with theBakefeature of your oven.In many cases,convection cooking provides faster cooking than reguiar radiant typesof toaster ovens.The fan gently sends air to every area o