10．C。a lot more people相当于much more people。意思是“冰岛的人口比格陵兰岛的多得多”。

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Do you know how to study __1__ and make your study more effective (　有效的)?　We all know that Chinese students usually study very hard for long　__2__, This is very good ,but it doesn’t__3__a lot ,for an effective student must have enough sleep ,enough food and enough rest and __4__. Every day you need to go out for a walk or visit some friends or some nice places. It’s good for your__5__.

When you return __6__your studies, your mind will be refreshed(清醒)and you’ll learn more__7__study better. Psychologists (心理学家)　__8__ that learning takes place this way. Here take English learning __9__ an example. First you make a lot of progress and you feel happy. Then your language study seems __10__ the same. So you will think you’re learning __11_ and you may give up. This can last for days or even weeks, yet you __12__ give up, and at some point your language study will again take another big __13__. You’ll see that you really have been learning all along. If you get enough sleep, food, rest and exercise, studying, English can be very effective and __14_ . Don’t give up along the way. Learn __15__ you are sure to get a good result(结果).

9．B。因为冰岛拥有很多的温泉，冰也没有格陵兰岛的多，所以气温就没有格陵兰岛低。

8．A。not so…as…表示“不如……”。

7．C。What about Iceland? 意为“冰岛(的地理环境和气候)又怎样呢?”。

6．D。格陵兰岛的冰比世界最高的楼高。故选high的比较级 higher。

5．D。根据下文得知格陵兰岛大部分地区被冰所覆盖，所以是白色的。

4．B。There must be more people…表示肯定猜测，而如果直接用There are more people则太绝对化了。

3．A。如果你只从字面上看，认为Greenland是绿色的，而 Iceland被许多冰所覆盖，那么你就想错了。根据下文可知它们的地理特征并不像它们的名字所描述的那样。

2．B。

1．C。格陵兰岛位于欧洲北部。这需要有一定的地理常识，下文并无提示。