_贵阳成考网

What have scientists achieved in dealing with floods?

• A、They have prevented many rivers from flooding.

• B、They have reduced the damage caused by floods.

• C、They have learned much about conditions for flooding.

• D、They have found most of the ice damson the river.

When will deep snow lead to floods?

• A、The snow suddenly gets frozen.

• B、The top of the ground becomes wet.

• C、I trains hard with a big rise in temperature.

• D、The snowmelt s gradually into a river.

Dear Tim，

                                                                                                                                                                                                                                                                                                                                                                                                                                                                       

Looking forward to your coming.

 

 

Yours，

LiHua