细胞的生物电现象中,“细胞大约正处于相对不应期和超常期”是指()
A.锋电位
B.后电位
C.动作电位
D.负后电位
E.正后电位
参考答案:D
第四部分:(共三节,满分45分)
第一节根据所给的首字母或汉语注释写出所缺单词的完整形式(每空1分,共10分)
76.I couldn’t have passed the English exam without your ______________(鼓励).
77.The high price is ______ (吓跑) away possible buyers.
78.Drinking pure water is _____________ (有益) to our health.
79. Everyone e_______ him because he is handsome and clever.
80. I gave the a_________ as soon as I saw the smoke.
81.The conference____________ (宣告) that the country was independent.
82. He is two years younger than me, that is to say, he is j_____ to me by two years.
83. She p___________ a beautiful car from the supermarket last week.
84. I sat there _____________ ( 反思) on what I have done today.
85. Every year many businessmen d_________ a large sum of money to the hope project.
国际海底区域中,适用的开发制度是()。
A.单一开发制
B.平行开发制
C.全部由国际海底管理局的企业部开发
D.登记注册制