用做衡量组织兴奋性高低的指标通常是
A.组织反应强度B.动作电位幅度C.动作电位频率D.阈刺激或阈强度
参考答案:D
根据汉语及首字母提示填写单词。
1. My mother often makes d____ food,l like it very much.
2. There are only 35 students in our classroom, so it is not c____.
3. The coat is 8 yuan. I think it is c____, so I will take it.
4. This summer, l will go to Ji'nan on v____.
5. It is (晴朗的) . Let's play ping-pong ball
6. The clothes in this shop are very (昂贵的)
7. Daming Lake is very (美丽的)
8. After lunch, we went (购物).
9. I didn't (喜欢) the match.
10. You're the (第一个) student to come to school.
黄疸引起的皮肤黄染的特点,不正确的是
A.以上都不是B.巩膜黄染是连续的、近角巩膜缘处黄染轻、黄色淡C.皮肤黄染出现较晚D.黄染首先出现于巩膜、硬腭后部及软腭黏膜E.远离角巩膜缘处黄染重、黄色深