10. C。spend some time doing sth.为一个固定搭配，意为“花时间干某事”。

6

Who designed (设计) the first helicopter (直升飞机)? Who __1__ of the most famous pictures in the world? Who knew more about the human body than most __2__? There is an answer __3__ all these　 questions --- Leonardo de Vinci (达芬奇).

Leonardo may have been the greatest genius (天才) __4__ have ever known. He lived in Italy around the year 1500, but many of his inventions seem modern to us today. For example, one of his notebooks has drawings of a helicopter. Of course, he couldn’t __5__ a helicopter with the things he had. But scientists say his idea would have worked.

But Leonardo __6__ an inventor. He was one of the greatest artists of his day. By the time he was twenty years old, he was called a master ( 大师) painter, and as he got older he became __7__ more famous. Sometimes he drew a hand ten different ways __8__ he was ready to paint.

Many of Leonardo’s wonderful paintings are still with __9__ today. You may know one of his most famous works the __10__ woman known as the Mona Lisa.

9. D。只能选择一个名词, 表示汽车的“故障,毛病”, 故选problem。

8. A。carry应为“搬运”，push 为“推”，lift 意思为“举，提起”都不合文意，take sth. to 某地，意为“把……带到……”。

7. B。与下文“车子一有问题就去修理”相对应，有些人病了却从不看医生，故应选never。

6. D。要想获得驾照得先学开车，故应选drive。

5. A。十四五岁的年轻人大多在上学，所以工作占用的应是上学期间的空隙，故应选free。

4. C。如果说想要索要小汽车的话，那只有先从父母亲那儿开始了，故应选parents。

3. B。根据下文他们不想通过索要来获取别人的小轿车，而是想拥有自己的小汽车，故选own。

2. D。按常识，十四五岁的人应称为年轻人，故应说young。

1. B。通过下文的事例不难看出美国人对汽车不是一般的喜欢，故用love it，较贴近文章的意思。