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【单选题】
下列不属于超硬材料中碳及其相关化合物的的是()
A.
金刚砂
B.
金刚石
C.
刚玉
D.
氮化硼
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参考答案:
举一反三
【判断题】防止传染病这样公共卫生工作成果是一种公共物品,公共物品的特点是具有排他性和竞争性( )
A.
正确
B.
错误
【简答题】简要分析公共物品的特点,并据此对公共物品进行分类。
【简答题】公共物品的特点有哪些?
【单选题】The housewives who do not go out to work often feel they are not working to their full______ A)capacity B) strength C)length D) possibility
A.
1
B.
2
C.
3
D.
4
【单选题】Housewives who do not go out to work often feel they are not working to their full _____.
A.
capacity
B.
strength
C.
length
D.
possibility
【简答题】公共物品的特点包括( )。
【单选题】Match the statements below to the corresponding paragraphs in the text. A. Suburbs and countryside are more dangerous than well-patrolled urban streets. B. We should think of such questions like “Why ...
A.
paras 3, 9, 18, 2, 10, 4, 19, 1
B.
paras 3, 9, 18, 1, 10, 19, 4, 2
C.
paras 3, 9, 18, 1, 10, 4, 19, 2
D.
paras 3, 9, 18, 1, 10, 19, 2, 4
【单选题】公共物品的特点()
A.
供给具有竞争性
B.
消费具有排他性
C.
具有较高的社会效益
D.
公共物品市场较为活跃
【简答题】小题1:Which of the following will help to improve your speech? A.IELTS Listening . B.Car and Driver. C.Quick & Easy Meals. D.Designing Effective Speech Inteces. 小题2:Who will probably be interested in...
【单选题】Housewives who do not go out to work feel they are not working to their full _______.
A.
capacity
B.
strength
C.
length
D.
possibility
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