概要：(6) We have seen that hibernating animal reduces movements to far below the ordinary level.(7) The animal hardly makes any movement, hardly uses any energy, and hardly needs any food.(8)Some animals, including some bears, only half-hibernate.难句解析：1．They go to sleep in all kinds of places.它们到各种各样的地方去睡觉。go to sleep，fall asleep与sleep，这三个词（组）都有“睡着”之意。go to sleep意思是“睡着，去睡觉”，fall asleep意思是“睡着了，酣睡”，它们都表瞬间动作，如表持续性动作或延续性状态，要用动词sleep。e.g.①I found it very difficult to go to sleep．我发现很难人睡。②Soon he...
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(6) We have seen that hibernating animal reduces movements to far below the ordinary level.
(7) The animal hardly makes any movement, hardly uses any energy, and hardly needs any food.
(8)Some animals, including some bears, only half-hibernate.
难句解析：
1．They go to sleep in all kinds of places.它们到各种各样的地方去睡觉。
go to sleep，fall asleep与sleep，这三个词（组）都有“睡着”之意。go to sleep意思是“睡着，去睡觉”，fall asleep意思是“睡着了，酣睡”，它们都表瞬间动作，如表持续性动作或延续性状态，要用动词sleep。e.g.
①I found it very difficult to go to sleep．我发现很难人睡。
②Soon he fell asleep，for he was very tired．他很累，很快就睡着了。
③we have slept(for) eight hours.我们已睡了八个小时。
2．They lead an active life which keeps up their normal body temperature even in very cold winter weather.
他们生活得很活跃，即使在严寒的冬天也能保持正常的体温。
习惯用法
（2）keep up保持，维持，继续，e．g．
① Let s hope the sunny weather keeps up for Saturday s tennis match.
但愿星期六网球比赛时还是这样的好天气。
②We。Are having difficulty keeping up。our。mortgage payments．我们难以继续支付分期偿还的抵押货款。
③If you want to be a performer，you 11 have to keep up your piano．如果你真想成为演奏家，就得坚持练习钢琴．
3.Then it as no choice but to lie down and sleep．于是，别无选择，它们只好躺下睡觉。
have no choice but to do表“别无选择”之意。e．g．
Have I any choice but to do as you tell me？ 除了按你吩咐的去做外，我还有别的选择吗？
表示“别无选择只好做……”之意，除了可用 have no choice but to do…来表达外，还可用下列固定搭配：
（l）can do nothing but do／can not do anything but do，e．g．
I can do nothing but accept his demand．我只好接受他的要求。
（2）there is nothing left to do but do…，e．g．
There was nothing left for her to do but cry．她别无它法，只有哭。
（3）can’t but do…，e．g．
I could not but admit that he was right and。I was wrong．我不得不承认他对了，我错了。
疑难点拨：
1.Hibernation is more than sleep．冬眠不仅仅是睡眠。
句中的more than相当于 not only。意为“不仅仅”。e．g．
He is。more a teacher．He is a good friend of mine。他不只是老师，还是我的益友。
2．People who find hibernating animals asleep often think that they are dead.．人们看到处于冬眠状态的动物，常常以为它们死了。
这是一个复合句。
（l）who－clause是定语从句修饰people，that－clause是宾语从句作think的宾语。
（2）asleep是表语形容词，在句中一般只作表语，宾补，或后置定语，这样的形容词还有alive，alike，alone，awake等。
3．You can touch it, or even pull its tail without causing it to move or wake up. 你可以摸它，甚至可以拉它的尾巴，这也不会使它动一动或醒过来。
这个句子可改写成：Even if you touch it or pull its tail，you can’t cause it move or wake up.
4. Hibernating in that way, the animal can sleep all through the winter.
用那种方式冬眠，动物可以睡过整过冬天。
句中的 hiberna
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