Question

Elephants have their own way to tell the shape of an object and ________ it is rough or smooth．

A. / B. whether C. how D. what

Answer 1

答案B 此题考察宾语从句，句意为“大象有他们自己的方式来辨别物体的形状和是否粗糙或光滑”。据句中or一词来判断，选whether。宾语从句连词的选用主要根据意思判断。 ①I can't tell which is better．（哪一个） ②The students don't know what they should do to solve such a problem．（什么） ③My little daughter wondered how she could build a house with Jimu．（怎样） 查看更多答案>>