问题
单项选择题
相同变形条件下，页岩的剪裂角（）砂岩的剪裂角。
A、大于
B、小于
C、等于
D、不确定
答案
参考答案：A
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相同变形条件下，页岩的剪裂角（）砂岩的剪裂角。
A、大于
B、小于
C、等于
D、不确定
参考答案：A
| 补全对话：选择方框内适当的选项填入短文空白处(有一项是多余的)。 | |
| A: What are you doing? B: 1 A: Great! Can you tell me something about the book? B: Certainly! It sa  ys 1,000 years ago, the world's population was very small. 2  A: Really? B: Yes, but during the last three or four hundred years, the world's population has grown very quickly. Today, it is growing faster than ever before. 3 A: Sorry, I don't know. B: It's more than 6 billion. A: It's so big. 4 B: Yes. If we don't control the population, there will not be enough space even to stand in on the earth in 600 years. A: 5
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