问题 选择题

Scientists said the smaller the airborne particles, the more ______ they are to cause illness.

A.possible

B.likely

C.probable

D.perhaps

答案

答案:B

题目分析:考查形容词。本题考查短语的固定搭配:be likely to有可能……。句意:科学家说,空气尘埃粒子越小,它们造成疾病的可能性越大。故B正确。

单项选择题 A1/A2型题
单项选择题