问题
选择题
There is a natural phenomenon scientists call the greenhouse effect.
A.that
B.what
C.for which
D.who
答案
答案:A
考查定语从句。That 指代先行词phenomenon,在句中做call的宾语,call后面接双宾语。句意:有一个科学家称之为温室效应的自然现象。
There is a natural phenomenon scientists call the greenhouse effect.
A.that
B.what
C.for which
D.who
答案:A
考查定语从句。That 指代先行词phenomenon,在句中做call的宾语,call后面接双宾语。句意:有一个科学家称之为温室效应的自然现象。