单选题：According to the passage, the solution offered by the techni

题目内容：

According to the passage, the solution offered by the technician was A．effectiv
B．economica
C．unpractica
D．unacceptabl

参考答案：

答案解析：

Representatives from the companies indicated that they shoul

Representatives from the companies indicated that they should go on working toge

分类：专四题型：单选题

分类：专四题型：单选题

The Benefits of VolunteeringYou are to write in three parts.In the first part, s

分类：专四题型：单选题

Which of the following can best serve as the title of the passage?A．Greek and Ro

分类：专四题型：单选题

单位购买若干单价为1元的水笔，如果将这些水笔只给甲组，每人可得20支；如果将这些水笔只给乙组，平均每人可得15支。那么这些水笔价值可能是多少？（　　）

分类：专四题型：单选题