单选题：He is doubtful about the decision she had made.

题目内容：

He is doubtful about the decision she had made. A．sure
B．angry
C．uncertain
D．worried

参考答案：

答案解析：

This kind of material was occasionally used in making shoes.

This kind of material was occasionally used in making shoes.A．never B．rarely C．o

分类：理工类题型：单选题

根据以下材料，回答题Screen Test(1) Every year millions of women are screened with X-rays

分类：理工类题型：单选题

He will abandon his early decision and make a new oneA．strengthen B．win C．quit D

分类：理工类题型：单选题

The company has put in a lot of money to remedy the situationA．maintain B．improv

分类：理工类题型：单选题

Eisenhower felt that the broad German motorways had better quality than the high

分类：理工类题型：单选题