A NASA experimental jet , the X-43A,flew at a world –record speed ---11,260 kilo
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A NASA experimental jet , the X-43A,flew at a world –record speed ---11,260 kilometres an hour on November 17.This speed is __ as that of sound.| A．astentimesfast | B．tentimessofast | C．tentimesasfast | D．tentimesfaster |
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答案
| C |
解析
试题分析:考查倍数表达法。根据倍数表达法:A + is + 倍数+ 比较级 + than + B;和A + is + 倍数+ as+原级 （+ as+ B）可以判断C选项正确，此外A + is + 倍数+ size（height，length, depth, width …）+ of + B也是倍数的一种基本表达方式。句意：美国国家航空航天局的实验喷气式飞机the X-43A，在十一月十七日以世界纪录—---每小时11260公里的速度飞行。这个速度是声速的十倍。 |
举一反三
Bargain shopping is popular throughout the globe. The main reason is because people know that they get the opportunity to save money. But in order to buy things at the lowest prices, you need to follow certain tips:
Use the Internet. 小题1:You can go to many online stores where you are able to see various products with different prices. Through going online, you can compare the products by their prices and qualities.
Use online coupons. By using these coupons, you can even expect a discount of 50% on what you want to buy. 小题2: And they have different kinds of goods for you.
Shop at the right time. It is a known fact that there are certain items that go on sale in certain months of the year. Keep an eye on such sales. 小题3: And you will receive the best offers.
Use a shopping list. 小题4:So that you know exactly what to buy. If you just enter the store and start buying things that you are interested in, you will probably end up buying many cheap things that you may not need for the present moment.
小题5: If you are familiar with online shopping, you should participate in online auctions（拍卖）. There are websites such as e-bay which gives you the opportunity to buy products at low prices.| A．Take part in online auction. | | B．There are many websites that offer these coupons. | | C．Never speak about the amount that you want to pay. | | D．You must get into the habit of carrying a shopping list. |
E. You can have more shopping areas by shopping online.
F. Think twice before shopping and don’t follow ads blindly.
G. Visit the store only during those particular times of the year. |
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Many people came to the meeting，but them who left early was 35．| A．a number of | B．the number | C．a lot of | D．the number of |
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I ___________ my father to give up smoking, but he didn’t listen to me.| A．persuaded | B．advised | C．suggested | D．promised |
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