高考英语二轮复习 增分篇 专题巧突破 专题一 语法专题限时检测(六)情态动词和虚拟语气

now”可知，此处表示对现在的虚拟，因此谓语动词用过去式。

8．The prediction that the temperature would rise by 1℃ ________ sound like nothing special, as people experience it every day.

A．may C．should

B．can D．shall

解析：选A 句意：据预测气温将会上升1℃，这听起来好像没什么特别的，因为人们每天都在经历这种气温的上升。根据后面的原因状语从句可知，此处表示推测，且为肯定句，故选A。

9．—I phoned you yesterday morning. A girl answered, but I didn't recognize the voice.

—Oh, it________ my younger sister. She was in my room at that moment. A．must have been C．could have been

B．should have been D．may have been

解析：选A 句意：“我昨天早上打电话给你。一个女孩接的，但我没听出是谁的声音。”“哦，一定是我的妹妹。她那会正在我的房间。”结合语境，选A项。

10．We welcome you to use this area for your baby buggy (童车). However, ________ a wheelchair user board the bus, you are not supposed to use this special area.

A．would C．should

B．might D．could

解析：选C 句意：我们欢迎你使用这一区域停放你的童车。然而万一轮椅使用者要上公共汽车，你就不应该再使用这一特殊区域。本题为if的非真实条件句对将来时间的虚拟。其完整形式为：if a wheelchair user should board the bus.句中为省略if时的部分倒装形式。should意为“万一，应该，竟然”。