巩固性教学原则的基本要求是什么

M是抛物线y²=4x上的一点，F是抛物线的焦点，以Fx为始边，FM为终边的∠xFM=60°，则|FM|=______．

依据《中华人民共和国药品管理法》规定，实行许可证管理的是

A．药品研究立项

B．医疗机构制剂配制

C．药品临床研究

D．药品监测与评价

E．药品注册审评

Come and see the Indian elephants and the new tigers from Northeast of China. The beautiful birds from England are ready to sing songs for you, and the monkeys from Mount Emei will be happy to talk to you. The lovely dogs from Australia want to laugh at you. Sichuan pandas will play balls for you. The giraffes from Africa are waiting to look down on you.

Tickets                                                     Opening time

Grown-ups (成人):       ￥3                              9:00 a.m. ~ 4:00 p.m.

Children: Over 1.4m     ￥2                              except Friday

Under 1.4m    Free                           10:00 a.m. ~ 3:00 a.m.

Keep the zoo clean!

Do not touch, give food or go near to the animals.

60.   Why does the writer introduce so many animals from different places to us?

A. To frighten us in the zoo.                B. To make us lovely in the zoo.

C. To attract us to the zoo.                   D. To show that animals can do everything.

61.   How much does Mr. Smith have to pay if he visits the zoo with his son of three?

A. ￥3.                 B. ￥4.                 C. ￥5.                 D. ￥6.

62.   At which of the following time can we visit the zoo?

A. 8:30 a.m. Wednesday.                            B. 9:30 a.m. Friday.

C. 3:00 p.m. Sunday.                          D. 5:00 p.m. Tuesday.

63.   From the passage we can infer (推断) that a giraffe must be a very ______ animal.

A. fat                    B. short                 C. strong               D. tall

某工商局任意改变了其所颁发的营业执照中所确定的营业范围。从行政法理论上说，该工商局违反了行政行为效力中的( )。

A．确定力

B．拘束力

C．执行力

D．公定力

结晶紫指示剂变色原理为()

A．结晶紫分子中的氮原子能结合多个质子，表现为多元碱

B．随着溶液酸度增加，结合的质子数不同，其颜色由蓝紫→蓝→蓝绿→绿→黄绿，最后至黄色

C．酸式体为黄色

D．碱式体为蓝色

E．分子为紫色