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问题 单项选择题 A1型题

在疫苗双盲法试验中，必须是（）。

A.试验组接受疫苗接种，对照组接受安慰剂

B.观察者受试者都不知道哪些对象接受疫苗，哪些对象接受安慰剂

C.观察者和受试者都不知道安慰剂性质

D.试验组和对照组都不知道观察者是同一个人

E.对照组不知道试验组的受试人

答案

参考答案：B

阅读理解

中国有许多传统节日，你最喜欢哪个节日呢？阅读对话，选择正确答案。

A:  Where are you going today, Miss Li?

B:  I'm going to buy some mooncakes(月饼).  Tomorrow is Mid-Autumn

     Day.  This day    is a special holiday for Chinese.  We will invite our

     families and friends to cat moon-cakes.

A:  What's the mooncake?

B:  It's a kind of cake.  Because it's round and looks like a full moon, people call it    mooncake. There are many different kinds of mooncakes.

1.  What's the name of Mid-Autumn Day in Chinese?

          A.端午节  

          B.中秋节  

          C.重阳节    

          D.清明节

                                                                                                            [ ]

2.  Mid-Autumn Day is a(n) ___________ holiday. 

        A. Chinese

        B. western

        C. eastern 

        D. English

                                                                                                            [ ]

 3. The mooncakes are _________.  

         A. the same

         B. different

         C.  not a kind of cake

         D.  a kind of bread

                                                                                                             [ ]

4. Chinese people always _________ to eat mooncakes.

         A.  stay at home

         B.  invite others

         C.  don't like

        D.  go home

                                                                                                             [ ]

5. Mooncakes are always __________. 

       A. square

       B. triangle

       C. round

       D. line

                                                                                                              [ ]
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单项选择题

下列不属于我国自然集体所有权取得的主要方式的是（）

A、天然孳息

B．法定取得

C、开发利用取得

D．强制取得
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