Which do you think would be the best title for the passage A: Accidents and Anxiety B: How Accidents Are Caused C: Human Factors in Accidents D: How to Prevent Accidents on Roads and in Factories

Then, police began to call at the apartments in the neighborhood, investigating car- smashing, shop-lifting, and other incidents. A: coincidences B: B．accidents C: C．incentives D: D．occurrences

"We have some accidents on this line, but no accidents ______ since last winter." A: had occurred B: have occurred C: occur D: are occurring

"We have some accidents on this line, but no accidents ______ since last winter." A: had occurred occurring B: have occurred C: occur D: are

1. Accidents ____ from carelessness.

Accidents often ________ from carelessness.

Have you any _____ to support your conclusion? A. incidents B. evidence C. accidents D. absence A: incidents B: evidence C: accidents D: absence

The studies are based on（） A: the security people get on the road B: the accidents caused by drivers C: the law made for using cell phone D: the information collected from the accidents

There ________ alot of traffic accidents last year.

The number of accidents is proportionate to the increased of traffic.