对轻组分来说,精馏段是提高它的浓度,提留馏段是增大它的效率。
参考答案:对
根据图片所示补全对话,一空一词。
A: Class Five __ 1 a fashion show last Friday. Did you go there?
B: Yes, I _ _2 .
A: But I ___3 see you.
B: There were too many people. I didn’t see you, either.
A: There was a __4 at the show. Did you__5_ her?
B: What did she wear?
A: She___6 a black___7 and long brown __8 . She had black hair in a ___9
B: Did she wear___10 ?
A: Yes.
B: Yes, I noticed her. She looked very cool.
《土地估价师继续教育暂行规定》明确,( )具体负责土地估价师继续教育的组织实施工作。
A.国土资源部
B.中国土地估价师协会
C.省级国土资源管理部门
D.省级土地估价师协会