Who was the killer in the traffic accident?

How many members are there in a family group of killer whale?

Hurricanes are killer winds, and their ________ power lies in the physical damage they can do.

AIDS is said ___ the number-one killer of both men and women over the past few years in that region.

What is the suspected killer A: A 23-year-old former police officer. B: The Serb paramilitary leader. C: Arkan’ s accomplices. D: A policeman.

With the top police officer<br/>leading this investigation, people are ( )()( ) the killer will be<br/>caught. A: confidence B: confidential C: confidentially D: confident

If you had seen the movie Free Willy, you would be able to recognize a killer whale at once. 这句话时态用法正确。

由 NK细胞(natural<br/>killer)介导的非特异性细胞杀伤作用不依赖于激活的抗体。()

This pain killer will definitely help to alleviate the toothache.句中,alleviate的意思是__________. A: relieve B: enhance C: deteriorate D: aggravate

The passage is mainly about ______. A: the causes for a disaster B: African volcanic eruptions C: how to tame a killer lake D: discussion of how to protect the pastures in Africa