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问题 选择题

大多数的抗生素，如医学上用来消炎的青霉素等，是由什么产生的？（　　）

A．细菌

B．真菌

C．酵母菌

D．病毒

答案

有的真菌能引起多种疾病，有的真菌却可以产生杀死某些致病细菌的物质，这些物质被称为抗生素，抗生素可以用来治疗相应的疾病．如青霉素是一种著名的抗生素，它是由真菌中的青霉菌产生的，可以治疗多种细菌性疾病．可见B符合题意．

故选：B

阅读理解

Dear Maria ,

How are you ? I’m in Beijing , China now . The food here is different and I don’t like it . But I like the people here .

Young people in Beijing like to see movies on weekends . But old people like to see Beijing Opera . There is no Beijing Opera in America . It’ s like a story song . I like it very much .

I have a DVD player in my room . I often watch comedies . They are my favorites . There are many stores in Beijing and I can buy my favorite DVDs . I also like to watch Chinese action movies . There are lots of Chinese actors in the movies . Jackie Chan is a great one . I think he is funny and really good at Chinese kung fu . I like his movies very much .

Yours ,

Sally

根据短文内容判断正误。 （正确的写T， 错误的写F）

小题1:Sally is from America and she’s in Beijing now .

小题2:Sally likes Beijing food .

小题3:Old people in Beijing like Beijing Opera .

小题4:Sally’s favorite movie is action movies .

小题5:Sally thinks Jackie Chan is a great actor .

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单项选择题

处方并开二决明时应付( )

A．煅石决明，炒决明子
B．生石决明，炒决明子
C．煅石决明，生决明子
D．生石决明，生决明子
E．生决明子，炒决明子
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