问题 选择题

洪涝灾害是对我国影响非常广泛的自然灾害。据此完成问题。

小题1:下列关于洪灾形成因素之间关联不正确的是

A.泥石流——河道堵塞——洪水

B.气温回升——冰雪融化——洪水

C.围湖造田——湖泊调蓄洪峰能力减弱——洪水

D.植被覆盖好——流域汇水速度快——洪水小题2:我国洪涝灾害多发的原因不包括                                 

A.热带面积广,太阳辐射强  

B.大陆性季风气候显著

C.降水时空分配不均匀   

D.植被破坏严重

答案

小题1:D

小题2:A

本题考查自然灾害。

小题1:D项植被覆盖好,则水流速度慢,利于缓解洪涝灾害。故选D项。

小题2:洪涝的形成主要与降水、地形、河道特征等因素有关。故选A项。

单项选择题
单项选择题

Brian arrived at San Francisco airport two hours before the flight to Paris. He was wearing three shirts, a jacket, two pairs of socks, a pair of shorts, and two pairs of jeans. He was carrying one small backpack, which was very full, but he didn’t have any other luggage. Brian needed to meet a man named Tony before he checked in for his flight. He found Tony near the Air France counter. Tony gave him a round trip ticket and a small package.

"Give this package to Jean Paul at the airport in Paris. He will have a sign with your name on it. I think you can find him easily," Tony said," You don’t have any luggage, right"

"Only this backpack," Brian answered. "You said I could bring one carry on bag. "

"That’s right. One carry on bag is fine. Have a good trip. "

"Thanks. "

is Brian a criminal Not at all. He is an air courier. And he paid only $ 110 for the round trip ticket to Paris. Air couriers get cheap airline tickets because they take important packages and papers to foreign countries. Businesses sometimes need to get packages and papers to people in foreign countries by the next day. Often, the only way they can do this is to use an air courier company. It is not cheap for a business to send a package with an air courier, but it is quick.

Every year about 80,000 people worldwide travel as air couriers. The number of tickets for courier travel is growing by about 10 percent a year. However, air courier travel isn’t for everyone. But if you have very little money, can be flexible about your travel plans, and don’t mind wearing the same clothes for a week, it can be a great way to take a vacation!

Business choose the air courier service because ().

A.it costs less

B.it is flexible

C.it saves time

D.it grows fast