问题 单项选择题 A1/A2型题

麻疹最有效的预防途径是().

A.大量注射抗生素

B.接种麻疹减毒活疫苗

C.注射患儿恢复期血清

D.注射干扰素

E.注射丙种球蛋白

答案

参考答案:B

解析:接种麻疹减毒活疫苗是预防麻疹最有效的预防途径,其次接种麻疹病毒、腮腺炎病毒、风疹病毒三联活疫苗可以产生有效的细胞免疫和体液免疫。

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Time Temp Glasses

Are you a person who wants to know the time and temperature during the day? You might like Temp Glasses. These special glasses show the time above your right eye and the temperature your left eye. It is surely easier than wearing a wristwatch, and you never have to guess the Tature.

Alarm() Fork

Do you eat too quickly? Do you eat too much? How can the Alarm Fork help you? Aren’t you is (好奇的)? Well, this special fork has two lights: one green and one red. When the green is on, it’s OK to eat a piece of food. The fork "knows" when you eat a piece, and soon the red goes on. Wait for the green light before you eat another piece.

Smell This

Sow do you know if your breath smells nice, or if it smells bad? It’s difficult It) know, because it’s very hard to smell the air that comes out of your own mouth. Smell This is useful for this ion. Smell This covers your nose and your mouth. Docs your breath smell nice, or do you need a piece of gum(口香糖)?

Banana Suitcase(手提箱)

Has this ever happened to you? You put a banana in your bag lunch in the morning, and when pen the bag at noon, the banana looks like someone drove a car over it. If you put your banana Banana Suitcase, this will never happen. It keeps a banana safe, delicious, and looking like a m!

小题1:The writer thinks that the four inventions are_.

A.dangerous

B.useless

C.unusual

D.expensive小题2:A person who wants to lose weight may be interested in_.

A.Time Temp Glasses

B.Alarm Fork

C.Smell This

D.Banana Suitcase小题3:Which invention is most helpful for someone waiting for a train?

A.Time Temp Glasses.

B.Alarm I ink.

C.Smell This.

D.Banana Suitcase.小题4:If you want to know how your breath is. you may buy _.

A.Time Temp Glasses

B.Alarm Fork

C.Smell This

D.Banana Suitcase小题5:Who might use the Banana Suitcase?

A.A person who eats bananas only at home.

B.Someone who needs to throw away a banana.

C.A person who has little interest in eating bananas.

D.Someone who loves bananas and brings lunch to school every day.

单项选择题