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【单选题】
下列关于提取说法错误的是
A.
提取所得的含有溶质的溶液称为溢流液、浸出液或上清液
B.
提取后的载体和残余的少量溶液称为残渣或提取渣
C.
一般包括:渗透、溶解、分配和扩散等
D.
提取又称液-液萃取
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【简答题】选择正确的句子将对话补充完整。 A. Why was it built? B. Who designed it? C. When was it built? A: Look, this is the Eiffel Towel, the tallest building in Paris. B: Wow! It looks great. . A: It was built in 18...
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【单选题】压杆稳定的关键问题是由 解决的。
A.
欧拉
B.
伽利略
C.
圣维南
D.
亚里士多德
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A.
正确
B.
错误
【单选题】静脉曲张的好发部位是
A.
肱静脉
B.
头皮静脉
C.
大隐静脉
D.
手背静脉网
【多选题】下列关于建筑详图基本规定的说法中,正确的是( )。
A.
内外墙节点一般用平面图、立面图和剖面图表示
B.
楼梯平面图必须分层绘制,一般有底层平面图,标准层平面图和顶层平面图
C.
楼梯间剖面图只需绘制出与楼梯相关的部分,相邻部分可用折断线断开
D.
. 楼梯节点详图一般采用较大的比例绘制,如1:1、1:2、1:5、1:10、1:20等
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【单选题】Speaker A:Look, this is the Eiffel Tower. When was it built? Speaker B:_______________________
A.
It was built more than 100 years ago.
B.
It was 100 meters high.
C.
Both A and B
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