何谓还原染料的光敏脆损作用？分析其产生的可能原因？

   Do you want to be a basketball player like Kobe Bryant , Shaquille O’Neal or Yao Ming ? Come to join us ! We have many sports clubs : basketball , ping-pong , soccer , volleyball , and more . The price is 5 dollars for each lesson .

Do you want to join our sports clubs ? Please call Mr. Green . He plays basketball very well . His telephone number is 371-1236 . His e-mail address is spcb@163.com . Or you can call Miss Jones at 371-1237 . She is our tennis coach（教练）. She is good with the students . Her e-mail address is jiayi@126.com .

小题1:From the passage , we know Kobe Bryant and Shaquille O’Neal are _______ players .

A．volleyball

B．tennis

C．basketball

D．ping-pong小题2:Miss Jones can help you with _______ .

A．computer

B．singing

C．art

D．tennis小题3:---How much is each lesson ? ---________ .

A．10 yuan

B．5 yuan

C．5 dollars

D．10 dollars小题4: Mr. Green plays _______ very well .

A．tennis

B．basketball

C．volleyball

D．ping-pong小题5:________ is good with the students .

A．Miss Jones

B．Mr. Green

C．Yao Ming

D．Kobe Bryant

根据《职工带薪年休假条例》的规定，张某累计工作年限为18年，可以享受带薪年休假的天数为( )天。

A．10

B．15

C．17

D．18

简述补体的激活途径。

工商网络经济监管是指工商行政管理部门依托自身职能职责，根据相关法律法规，对网络经济中的各类网络经营主体、网络经营行为和网络经营客体的（）进行监管，营造公平竞争、诚信经营的网络环境，促进网络经济健康发展。

A.存在性

B.合法性

C.实用性

D.有效性

哪些不是引起季节性变应性鼻炎的变应原（）

A.花粉

B.谷物

C.艾蒿

D.螨虫

E.柳絮