Which of the following statements is true according to the passage?

A．Toxoplasma gondii causes people strange and deadly diseases.

B．With certain infection the infectious disease cannot be cured completely.

C．Human beings infected by toxoplasma gondii will have permanent brain damage.

D．Toxoplasma gondii is harmful to human beings, but it does no harm to mice.

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参考答案

答案解析

寄生虫会对未出生的小孩造成致命性的伤害，故A排除；文章只表明这种感染对老鼠的大脑有永久性的改变，并没有提及人类，故C排除；寄生虫对人类有危害，但是并不能说明对老鼠没有危害，故D排除。文章最后一段指出，人们一旦受到细菌感染就希望吃抗生素来清除所有的感染并希望所有的症状都能消失，但是这种想法是错误的，也可以推断出B是正确的。

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1 The author's attitude towards the experiment is__

A．positive

B．subjective

C．negative

D．objective

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阅读短文，回答问题：

A jobless man wanted very much to have the position of "office boy" at Microsoft. The HR manager interviewed him and then watched him cleaning the floor as a test. "You have passed the test," he said． "Give me your e-mail address and I'll send you the form to fill in and the date when you may start." The man replied, "But I don't have a computer, neither an e-mail." "I'm sorry," said the HR manager. "If you don't have an e-mail, that means you are not living. And anyone who isn't living cannot have the job．"The man left with no hope at all. He didn't know what to do with only 10 in his pocket. He thought and thought. Then he went to the supermarket and bought 10 kilos of tomatoes. He sold the tomatoes from door to door. In less than two hours, he had 20 dollars. He repeated the operation three times, and started to go early every day, and returned home late. Shortly, he bought a cart, then a truck, then he had his own fleet of delivery vehicles. Five years later, the man was one of the biggest food retailers in the US.
One day, one of his friends asked him for his e-mail. He said, "I have not got one." His friend couldn't believe his ears. "Can you imagine what you could have been if you had an e-mail? " The man thought for a while and replied, "Yes, I'd be an office boy at Microsoft! "
What did the man do for the test?

A．He sent e-mails.

B．He did the cleaning.

C．He sold computers.

D．He filled in forms.

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3 The man didn't get the job because he__

A．disliked such a job

B．didn't pass the test

C．didn't have an e-mail

D．knew nothing about computers

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