[单项选择]When is an ordinary tropical storm called a hurricane
A. When it begins in the Atlantic and Caribbean seas.
B. When it hits the coastline.
C. When it is more than 75 miles wide.
D. When its winds reach 75 miles per hour.

[单项选择]When is an ordinary tropical storm called a hurricane（　）.
A. When it begins in the Atlantic and Caribbean seas.
B. When it hits the coastline.
C. When it is more than 75 miles wide.
D. When its winds reach 75 miles per hour.

[单项选择]Storm - water runoff—also called urban runoff or runoff pollution—is rainwater plus everything else it sucks up after hitting the ground: oil and grease from autos, emissions, brake dust, road salts and pathogens (病原体，致病菌) from animal waste. "In many U. S. cities, urban runoff far exceeds industrial waste as the main pollutant in local waterways, "says Steve Fleischli, president of the environmental watchdog Water keeper Alliance. The growth of AbTech’s revenues—projected to crack $10 million in 2010—speaks to the growing number of cities eager to address the problem.
Storm - water runoff is a mixture of
A. rainwater pills everything it takes away after hitting the ground.
B. oil grease from autos, emissions, brake dust, road salts and animal waste.
C. industrial Waste plus pollutant in local waterways.
D. rainwater plus industrial wast

[填空题]What are people called when they break the bag limit and boast about their big catch

[填空题]What are people called when they break the hag limit and boast about their big catch

[填空题]The winds are the strongest in the eye of a hurricane.

[单项选择]
Where were Mr. Smith’s children when the storm started

[单项选择]—What were you doing when I called you yesterday afternoon
—I ______ my homework and I was starting to take a bath.
A. had just finished
B. was finished
C. have already finished
D. was going to finish

[填空题]When I called her on the phone, she pretended (no know)_________ me.

[填空题]When he called her on the phone, she pretended (not know) ______him.