问题
单项选择题
压缩模主要用于加工的（）模具。
A.热塑性塑料
B.热固性塑料
C.通用塑料
D.工程塑料
答案
参考答案：B
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压缩模主要用于加工的（）模具。
A.热塑性塑料
B.热固性塑料
C.通用塑料
D.工程塑料
参考答案：B
| 完形填空。 | ||||
| "Jane, can I borrow a dollar from you?" Mary asked as they stood in the school lunch line. "OK!" _1_ Jane. Jane waited all day, but Mary didn't pay back the dollar. "She's just forgotten. It's nothing. I shouldn't make her _2_." thought Jane. Weeks went by. Finally, Jane had to _3_ the money. "Oh, Jane, I forgot!" Mary answered, "I'll _4_the money tomorrow." But the next day, Mary seemed to have forgotten __5__. During the noon, Jane saw Mary spending money buying snacks. You can imagine how Jane felt. | ||||
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