2019年mpacc考试英语真题——连词734

{01}.
.Modern China is experiencing a completely new period ______ respect for science and creativity has become the guiding principle of the society.

A.which

B.where

C.that

D.in which

解析：略
本题选D。

{02}_____ I admit that there are problems, I don"t" think that they cannot be solved.

A.Unless

B.Until

C.As

D.While

解析：略
本题选D。