问题
多项选择题
地质勘察风险主要包括( )。
A.找矿风险
B.技术进步
C.技术风险
D.储量减少风险
答案
参考答案:A,C,D
地质勘察风险主要包括( )。
A.找矿风险
B.技术进步
C.技术风险
D.储量减少风险
参考答案:A,C,D
完形填空。 | ||||
How do you get pocket money (零花钱) from your arents? In the western countries,many__ l _ do housework to get pocket money. They usually start to do this __2_ the age of ten. Jimmy is seven years old. Now he _ 3_ the dishes. He can only do this, so he can't get _4 _ money. But that's all right. He only wants to _5_ candy. Jenny is twelve years old. She is _6_ than Jimmy. She wants to buy many things. They are _ 7_ than candy. So she has to work harder! Now she is washing the car. If she 8 free time , she will cut the grass ,walk the dog or cook dinner. Doing housework can _9_ kids learn new things. For example , you can learn how to cook. Of course , your _10 _ will help you at the beginning.
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