问题
不定项选择题
下列描述中正确的是 [ ]
A．CS2为V形的极性分子
B．ClO3-的空间构型为平面三角形
C．SF6中有6对完全相同的成键电子对
D．SiF4和SO32-的中心原子均为sp3杂化
答案
CD
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下列描述中正确的是 [ ]
A．CS2为V形的极性分子
B．ClO3-的空间构型为平面三角形
C．SF6中有6对完全相同的成键电子对
D．SiF4和SO32-的中心原子均为sp3杂化
CD
| 完形填空。 | ||||
| One day a woman got into her car and started driving home after work. Suddenly, 1 saw a yellow car behind her. 2 was a man. When she turned left, the yellow car turned left. When she turned right, the yellow car turned right, 3 . When she stopped 4 the traffic lights, the yellow car stopped behind her. The woman was afraid, so she drove 5 to the police station. She was very 6 when she found the car stopped behind her. At that time, a young man was standing outside the police station. The woman was very happy 7 him. She knew that he was a policeman 8 he was wearing a police uniform (制服). She jumped out of her car and ran to the policeman. She asked him to arrest (逮捕) the man in the yellow car, so the policeman walked to the man. The man 9 to run away when he saw the policeman. He just smiled 10 said to the woman, "I want to give this purse (钱包) back to you, madam. I think you dropped it on the street." | ||||
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