单选题：People with no family history of cancer are unlikely to deve

题目内容：

People with no family history of cancer are unlikely to develop cancer. A．Right
B．Wrong
C．Not mentioned

参考答案：

答案解析：

请在第 ____ 处填上正确答案。

请在第 ____ 处填上正确答案。 A．impossible B．incapable C．disabled D．unable

分类：综合类题型：单选题

The first and most important thing parents should do to help their children is A

分类：综合类题型：单选题

请在第__(50)__处填上正确答案。A．Eventually, a commercial plant was developed which was 5 pe

分类：综合类题型：单选题

The distance covered by the young whooping cranes on their trips south is_____A．

分类：综合类题型：单选题

The U. S. government has planned to_______ updating public-transport systems.A．

分类：综合类题型：单选题