职称英语考试

【单选题】 Shipbuilders would not _____ their money unless they knew that they could make a profit.
A．invest
B． invent
C．involve
D．invite

网考网参考答案：A
网考网解析：
a. invest 投资 b. invent 发明 d. involve 涉及到，卷入 d. invite 邀请 查看试题解析出处>>