下列不属于化学性突触传递特征的是（） A.单向传递原则 B.突触

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问题单项选择题 A1/A2型题

下列不属于化学性突触传递特征的是（）

A.单向传递原则

B.突触延搁

C.传递的易疲劳性

D.空间和时间的总和

E.内环境变化的不敏感性

答案

参考答案：E

解析：突触是具有低安全系数的区域，传递容易因为内环境的变化受到阻滞，对内环境变化敏感。

听力题

用单词的适当形式完成下列句子（1分*10，满分10分）

小题1:The skirt sells well because it is excellently _____________（设计）.

小题2:P_____________（个人地）speaking, I’m in favour of the plan.

小题3:The doctor said that herillnessa__________ from lack of rest.

小题4:Finally, she _____________ （成功） in solving the problem after hard work.

小题5:Which country is ＿_＿__＿＿（主办）the next Olympic Games?

小题6:Only important people were ____________ （容许，接纳）to the opening ceremony.

小题7:Cultural relics and historic sites are under the p___________ of local government.

小题8:To my great surprise, he somehow managed to s__________ the earthquake.

小题9:She is constantly under pressure and it is a____________ her health.

小题10:It is our first attempt in e____________ the Moon with the new technology.

问答题

简述提单的性质和作用。