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【单选题】
Millie was born on Feb. 22. The picture of her star sign is Do you know the name of the sign?A.
Aries
B.
Scorpio
C.
Sagittarius
D.
Pisces
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举一反三
【简答题】I see him talking to the teacher.
【单选题】科学家发现了新的氢微粒，它是由3个氢原子核（只含质子）和2个电子构成．下列说法正确的是（ ）
A.
该微粒不显电性
B.
该微粒的组成可用H 3 表示
C.
该微粒比一个普通H 2 分子多一个氢原子核
D.
该微粒的相对质量比一个普通H 2 分子多3
【单选题】下列叙述正确的是 [ ]
A.
冷开水不能养鱼是因为水中不含氧元素
B.
最外层电子数为8的粒子一定是稀有气体元素的原子
C.
过氧化氢由H 2 和O 2 组成
D.
原子中原子核与核外电子的电量相等，电性相反，因而原子不显电性
【简答题】FRUSTRATEa. You could see the _______________building up in the workforce.b. I find talking to him _______________because he never listens.c. I felt so _______________with their attitude that I decid...
【单选题】-I think you should stop him in English. -I see.He can't understand English at al. Let me try in Chinese.
A.
talking to
B.
to talk to
C.
talk to
【单选题】听力原文：Do you know the man over there talking to Jim? (A) No, I didn't hear him. (B) I think she went to see him. (C) Yes, that's Mark, the new employee. (15)
A.
B.
C.
【单选题】-I think you should stop _______ him in English. -I see. He can’t understand English at all. Let me try in Chinese.
A.
to talk to
B.
talking to
C.
talk to
【单选题】下列说法正确的是 [ ]
A.
宏观上的物质对外不显电性，是因为组成它们的微观粒子都是电中性的原子和分子
B.
某物质经科学测定只含有一种元素，则可以断定该物质是一种纯净物
C.
利用化学方法，我们可以制造出新的分子，但不能制造出新原子
D.
因Cl 2 的水溶液可以导电，所以Cl 2 是电解质
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