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问题 单项选择题

温和酸水解可获得苷元的是（）

 

A.洋地黄毒苷-（D-葡萄糖）

B.苷元-（6-去氧糖x）-（D-葡萄糖）y

C.苷元-（D-葡萄糖）y

D.毒毛旋花子苷-（D-葡萄糖）

E.苷元-（D-葡萄糖）y-（2，6-二去氧糖）x

答案

参考答案：A

阅读理解

阅读理解

           Last summer Jenny and her friends had a bus trip to New York. She felt very relaxed on the way. They visited a museum. But it's really crowded  there and the  display(展览)  were not interesting at all.

They went to different(不同的) restaurants to have dinner. Some food was quite delicious，but Jenny

thought the fast (快的) food was awful.  When the weather was fine,  they went to the beach to swim.

The sea was beautiful and they had a good time.

1. Jenny had a bus trip to______ .

A . Japan    

B. the U. S.    

C. Australia

2. They visited______ .

A. a museum        

B. a Beijing Hutong  

C. the White House

3. They thought the display was ______ .

A. interesting        

B. boring            

C. crowded

4. They ate dinner ______ .           

A. at home          

B. in the museum            

C. in a restaurant

5. They _____ when it was fine.

A. went to swim      

B. went home            

C. visited a museum
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单项选择题

企业在招聘员工时，要对多有应聘者一视同仁，为应聘者营造一个平等竞争的工作环境。这体现了员工招聘的（）原则。

A.信息公开

B.公平公正

C.效率优先

D.双向选择
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