细胞膜内电位负值（绝对值）增大，称为： A、极化 B、去极化 C、反极化 D、复极化 E、超极化 - 查题网

>> 成人高等教育 / 人体解剖与生理学

成人高等教育 / 人体解剖与生理学

正确率：100%

细胞膜内电位负值（绝对值）增大，称为：

A、
极化
B、
去极化
C、
反极化
D、
复极化
E、
超极化

积分

人体解剖与生理学

参考答案：

点击查看答案

佳题速递：

在实际应用中，PID调节可根据实际情况调整结构，但不能（）。A、采用增量型PID调节 B、采用带死区的PID调节C、采用PI调节 D、采用I D调节计算机控制系统

看电视的卫生要求主要在于：电视机的调整，照明，眼睛与荧光屏的距离，（）。学前儿童健康教育

下列属于专有媒体数据模型的是（）A、图象数据库B、全文数据库C、关系数据库D、视频数据库多媒体技术(专题讲座)

下列清洁能源的使用措施中，不属于大气污染防治措施的为：（）A、禁止区域的划定 B、煤炭资源的节约利用C、国家的鼓励政策D、锅炉控制和集中供热环境法

题型描述: 十选项完形填空Overhead bridges can be found in many parts of China, in the place where traffic is very heavy and crossing the road is _ _ _ _ . These bridges can make people _ _ _ _ _ roads safely. Overhead bridges are used in very much the same way as zebra crossings.They are more efficient (效率高的), _ _ _ _ _ less convenient (方便的) because people have to climb up a lot of steps. This is inconvenient to the old. When people _ _ _ _ _ an overhead bridge, they do not hold up (阻挡) traffic. But when they cross a busy road using a zebra crossing, traffic is held up. This is _ _ _ _ the government (政府) has built many overhead bridges to help people and _ _ _ _ _ traffic moving at the same time. Chinese government has _ _ _ _ _ a lot of money building these bridges. For our own safety, people should be given hope to use them _ _ _ _ _ rushing across the road. Old people may find it a little _ _ _ _ _ climbing up and down the steps, but it is still much safer than walking across the road _ _ _ _ _ _ all the moving traffic.(196 words)1、 A. not safe B. noisy C. crowded D. not busy 2、 A. cross B. through C. across D. crossing 3、 A. if B. till C. or D. though 4、 A. use B. visit C. pass D. build 5、 A. where B. why C. what D. when 6、 A. find B. keep C. see D. feel 7、 A. spent B. used C. made D. borrowed 8、 A. in spite of B. instead of C. fond of D. full of 9、 A. worried B. different C. excited D. difficult 10、 A. along B. about C. with D. past统考英语A

在转录延长中，RNA聚合酶与DNA模板的结合状态是： A、 A、全酶与模板结合 B、 B、核心酶与模板特定位点结合 C、 C、结合相对牢固稳定 D、 D、结合松弛而有利于RNA聚合酶向前移动 E、 E、和转录起始时的结合状态没有区别生物化学与分子生物学