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　　Today our class visited the Museum of Natural History. We went to see the new 1 show. At first I wasn't 2 in seeing dinosaur skeleton (骨骼). Why would anyone want 3 about something that's not around any more?

　　First we walked 4 a big room. I saw the skeleton of a large animal. It almost 5 the room. Two huge, dark holes 6 its head looked back at me. It was dinosaur Sue.

　　Our guide told 7 all about Sue. He told us to look at her 8 . Sue had 60 of them. They were long and sharp. One tooth looked as 9 as my school ruler. The guide said the dinosaur's teeth showed that she was a meat eater. I'm glad I wasn't around when the dinosaurs were alive. I might have been lunch.

　　As I looked at it, I wondered what the dinosaur had looked 10 when it was alive. No one knows what 11 dinosaurs were, but I pictured it as brownish-grey. I could see it going through the grass and trees searching for food.

　　Suddenly I realized that the skeleton had once belonged (屬于) to a 12 animal here on Earth. It made me think about other 13 that had once lived here. Now I 14 why people want to learn about these animals. 15 would be very exciting to find a dinosaur skeleton.

One spring day in 1937，Mr. Goldman put up a sign at the front of his grocery（雜貨店）in Oklahoma City．He looked up just as one of his customers（顧客）walked by．“Good morning，Mrs. Hope，”he said．

Mrs. Hope just smiled．She was concentrating on the full shopping basket she was carrying．The basket was very heavy because she had put so much food in it．

That was when Goldman had a great idea：a shopping basket on wheels．Then his customers wouldn’t have to carry their groceries．Shopping would become easier, and more customers would prefer to shop at his store．

Before long Goldman had some shopping carts（手推車）made．However, on the first day none of his customers used the carts he had invented．Goldman came home looking disappointed．

Goldman didn’t give up，though．He knew he just needed a way to show his customers how easy it was to use the shopping carts，so the next day he asked a few people to come and wheel the carts around his shop and pretend to buy things．

“How did it go today?”Mrs. Goldman asked when her husband came home from work．

“Great!”he said．“When my customers saw people using the carts，they realized how much easier it would be to shop with them，so they all started using the carts．Not only that，but they filled the carts with more groceries than they ever did with their own baskets．I’m going to be a rich man soon，selling groceries and my new shopping carts，too!”

（    ）1．What did Mrs. Hope do when Mr. Goldman greeted her?

A．She smiled and said hello to him．             B．She didn’t say anything to him．

C．She shopped and talked with him．              D．She dropped her shopping basket．

（    ）2．What made Mr. Goldman want to invent the shopping cart?

A．He wanted to sell more groceries．

B．Mrs. Goldman told him to do that．

C．He wanted to save money on baskets．

D．He saw Mrs. Hope carrying a heavy basket．

（    ）3．The underlined phrase“concentrating on”has the similar meaning to“______”．

A．looking back on     B．picking up            C．paying attention to   D．looking after

（    ）4．Which word best describes Mr. Goldman?

A．Friendly．           B．Lazy．                C．Creative．              D．Serious．

（    ）5．The customers began to use the carts because______．

A．it was much easier to shop with them

B．they saw some people using them

C．they could fill the carts with more groceries

D．they got the carts for free

　　People often collect things. Stamps and books are very common (普通的). But the collection of my uncle's is something unusual. He has 1,900 clocks. There are clocks in every room of his house. The living-room is full of shelves and he filled（裝滿）them with clocks. Still there is not enough room for so many clocks. My uncle has to fill many boxes with them and has put them in the toilet（廁所）. Every day my aunt has to clean all the clocks and it's no easy job for her. And she also hates（憎恨）the noise（噪聲）of the clocks. Each one keeps its own time. so the sound of the clocks is always there from morning till night. My aunt never knows what time it is!