排斥反应

Today is Sunday, and it is a fine day. Mary and her classmates want to fly a kite(放风筝) in the People’s Park. Mary gets up at 7:30 in the morning, and she meets her classmates at the school gate at eight o’clock. Because it’s not very far from their school to the park,they walk there. From their school, they walk down the Sixth Avenue , and turn right at People’s Bank. Then they pass a library, a bookshop and a hotel. When they see a big market(市场)，they turn left into Xingfu Road. Then they see the park on their right.

小题1:根据Today is Sunday, and it is a fine day.描述，可知今天天气不错。故选D，晴朗的。

小题2:根据they walk there.描述，可知他们步行去那儿。故选C，步行。

小题3:根据and turn right at People’s Bank.描述，可知选B。

小题4:We can know from the article(文章) that Sunday is _____.

A．snowy

B．Rainy

C．windy

D．sunny小题5:How do they go there?

A．By bike

B．By bus

C．On foot

D．By taxi小题6:Where do they turn right?

A．At China Bank

B．At People’s Bank

C．At a big market

D．At a hotel

为了实现“扩内需、保增长”的目标，我国政府已将增加就业，降低失业率作为宏观调控的重要目标。下列有利于降低失业率的措施有   

①实行企业破产制度                ②促进中小企业加快发展

③完善社会保障制度                ④实施积极的财政政策

A．①②

B．③④

C．①③

D．②④

衰减倍数

一年生杂草

下述哪个不是入侵检测系统的组成部分（）。

A.事件响应单元

B.事件产生器

C.事件数据库

D.事件报警器