【简答题】填空题 1. In general, girls are much____ (hardworking) than boys. 2. This village is____(quiet) during the day than at night. 3. It's one of____ (meaningful) activities in this term. 4. My fingers are __...
【单选题】关于效应和易感生物学标志物,下列说法正确的是( )
A.
效应生物学标志是指机体中可测定的生物化学、生理行为或其它改变的指标,因此学习记忆功能的检测也可作为某些毒物的效应生物学标志
B.
效应生物学标志提示毒物的机体健康有害效应的信息,包括晚期生物效应、结构和(或)功能改变及疾病三类标志物
C.
易感生物标志物反应机体对先天具有或后天获得的对毒物产生反应能力的指标,因此需在毒物所导致的机体“生物学效应――健康效应”这一阶段进行检测
D.
暴露、效应和易感性标志物因各自涵义不同所以需要分别检测三类指标,缺一不可
E.
效应标志提供的信息能反应人体暴露于毒物与损害作用之间的联系,但不能用于确定剂量反应关系
【单选题】关于化学结构与毒效应之间的关系,下列说法正确的是。
【简答题】将下列句子重新排序。并填入序号。 1. I am from a small village. 2. Now, I am studying in the Normal University. 3. My major is not English. 4. Our village is in a big grassland. 5. My name is Mike. 6. It is a beautifu...
【单选题】The village is located _______ the foot of the mountain. A. in B. on C. to D. at
【简答题】完形填空 I live in a village. Its name is North Thoresby. It is 1 the east of England. The village is very old 2 a history of l,600 years. It was much 3 than it is now.There were more than 2, 000 people t...
【简答题】阅读短文,回答问题。 Today is Sunday. Amy and her friends are in a village. The village is beautiful. There are many rivers and bridges in the village. The water is clean. The air is fresh. There are many mount...
【简答题】Complete the following with every, each, everyone, every one or all . 1. A: He had eaten _____ the biscuits. B: What? _____ ? A: _____ single one. 2. The pavement on _____ side was crowded with neat s...