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【单选题】
有分子溶液叙述不正确的是A.
高分子溶液是热力学稳定系统
B.
以溶剂的高分子溶液也称胶浆剂
C.
制备高分子溶液首先要经过溶胀过程
D.
高分子溶液是黏稠性流动液体
E.
高分子水溶液不带电荷
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【简答题】He almost failed in the math exam, but his twin brother, , did very well.
【简答题】Listen to the recording and fill in the blanks with the words you hear. Growing up in Los Angeles, California, Juan Martinez’s family taught him the ____1____ of education. However, in his ____2____, ...
【单选题】IC卡与磁卡的本质区别是
A.
IC卡是通过卡里的集成电路存储信息，而磁卡是通过卡内的磁力记录信息
B.
IC卡的成本一般比磁卡高
C.
IC卡的保密性强
D.
IC卡的可以修改数据
【单选题】a. He failed a science class. b. He joined a nature program in Wyoming. c. He went to college. d. He joined an organization to show nature to city kids. e. His grades improved. f. He almost joined a g...
A.
2346751
B.
2467513
C.
4675132
D.
4267513
【单选题】He almost failed in the math exam, but his twin brother, ________________, did very well.
A.
at her best
B.
have attributed ... to
C.
by contrast
D.
take advantage of
E.
at risk
F.
bring...to an end
G.
make room for
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