在某关于阿司匹林与心肌梗死关系的研究中，按照标准，病例和对照都应排除慢性关节炎和慢性

下列实验现象和结论不能对应的是

A．甲：放入量筒中的黄豆和芝麻，摇匀后读数变小，说明分子间存在空隙

B．乙：海绵发生形变，说明海绵受到压力的作用

C．丙：通电后电磁铁吸引大头针，说明电磁铁有磁性

D．丁：开关闭合后灯泡发光，说明电路中有电流

任务型阅读，根据短文内容完成下列句子。

Dear Zhang Fan,

      I want to go to China very much. I think I know something about China from your letters, but I know

little about Chinese food. I like hamburgers and Coke very much. I like noodles and French fries, too. My

friends tell me that you eat rice, vegetables and meat every day. Is that right? I don't like rice. What food

and drink can I have in China? Please write to me. 　 　

                                                                                                                                       Yours, 　　　　　　

                                                                                                                                        Robert

1.______ writes this letter.

2. He writes this letter to ______.

3. Robert ______ from China.

4. Robert likes ______ and ______ very much.

5. If he comes to China, he will not eat ______.

新生儿室内湿度应保持在（）

A.45%～55%

B.55%～65%

C.65%～70%

D.50%～60%

E.60%～70%

增值税专用发票保管中不需要装订成册的是（）

A.专用发票抵扣联

B.认证结果通知书

C.认证结果清单

D.专用发票发票联

哪种病原体不是通过性行为传播的（）

A、结核杆菌

B、病毒

C、真菌

D、支原体

E、寄生虫