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【多选题】
柬埔寨属热带季风气候,高温、多湿,全年明显分为 (5月至10月)和 (11月至次年4月)。A.
雨季
B.
旱季
C.
凉季
D.
热季
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反馈参考答案：
举一反三
【简答题】下列烯类单体适用于何种机理聚合?自由基聚合、阳离子聚合还是阴离子聚合?并说明原因。 CH2=CH2
【简答题】To acknowledge other cultures will _____ good will among people of different backgrounds.
【单选题】To acknowledge other cultures will _____ good will among people of different backgrounds.
A.
promote
B.
decline
C.
boost
【单选题】To acknowledge other cultures will ___________ good will among people of different backgrounds.
A.
compel
B.
accelerate
C.
promote
D.
change
【单选题】To acknowledge other cultures will _____ good will among people of different backgrounds.
A.
revise
B.
prune
C.
promote
D.
revolve
【简答题】To acknowledge other cultures will _____ (支持;鼓励;提倡)good will among people of different backgrounds.
【简答题】下列烯类单体适于何种机理聚合?自由基聚合、阳离子聚合还是阴离子聚合?并说明原因。 CH 2 =CHCl CH 2 =CCl 2 CH 2 =CHCN CH 2 =C(CN) 2 CH 2 =CHCH 3 CH 2 =C(CH 3 ) 2 CH 2 =CHC 6 H 5 CF 2 =CF 2 CH 2 =C(CN)COOR CH 2 =C(CH 3 )-CH=CH 2
【简答题】下列烯类单体适于何种机理聚合?自由基聚合、阳离子聚合还是阴离子聚合?并说明原因。 CH 2 =CHCl CH 2 =CCl 2 CH 2 =CHCN CH 2 =C(CN) 2 CH 2 =CHCH 3 CH 2 =C(CH 3 ) 2 CH 2 =CHC 6 H 5 CF 2 =CF 2 CH 2 =C(CN)COOR CH 2 =C(CH 3 )-CH=CH 2
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