皮皮学，免费搜题
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【单选题】
下列除()细胞外粗面内质网不发达A.
胚胎细胞
B.
干细胞
C.
低分化肿瘤细胞
D.
胰腺细胞
E.
上皮细胞
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皮皮学刷刷变学霸
举一反三
【单选题】Which of the following is the best title for this text？
A.
The Middle Class on the Alert
B.
The Middle Class on the Cliff
C.
The Middle Class in Conflict
D.
The Middle Class in Ruins
【多选题】How would you rate this class on a scale of 1-10?
A.
10
B.
9
C.
8
D.
7
E.
6
F.
5
G.
4
【单选题】Will Quality Eat up the US Lead in Software? If US software companies don't pay more attention to quality, they could kiss their business good-bye. Both India and Brazil are developing a world-class s...
A.
India.
B.
The US.
C.
Brazil.
D.
Germany.
【简答题】He's left now, but productivity hasn't ______that much. A: carried on B; caught up C; picked up
【单选题】- What's up? You didn't pick up the phone just now. - I'm sorry that I dancing with music on, but it's done now.
A.
practised
B.
was practising
C.
am practising
D.
have practlised
【单选题】在两个部件之间添加配合约束的时候,哪一个部件会从先前的位置移动到满足装配关系的位置?( )
A.
都移动
B.
都不移动
C.
第一个被选择的部件
D.
第二个被选择的部件
相关题目：
【简答题】He's left now, but productivity hasn't ______that much. A: carried on B; caught up C; picked up