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【单选题】
缩合反应操作中,应该通过控制蒸汽,使反应温度A.
上升速度适中
B.
快速下降
C.
缓慢上升
D.
快速上升
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反馈参考答案：
举一反三
【单选题】The _____ of the cottages were covered with _____.
A.
rooves; leaves
B.
roofs; leaves
C.
roofs; leafs
D.
rooves; leafs
【简答题】Sparkling Valley, a luxury resort, prices cottages facing the lake higher than cottages that do not, even though the cottages and services offered are identical in every other aspect. This form of pri...
【单选题】Sparkling Valley, a luxury resort, prices cottages facing the lake higher than cottages that do not, even though the cottages and services offered are identical in every other aspect. This form of pri...
A.
location-based
B.
time-based
C.
by-product
D.
seasonal
E.
captive product
【简答题】The cottages __________well with the landscape.(harmony)
【简答题】交通系统按照运输对象分为() A. 货物运输 B. 旅客运输 C. 干线运输 D. 城市运输 E. 区域运输A.B.C.D.E. E
【单选题】The ______ of the cottages were covered with _______.
A.
Roofs; leafs
B.
roofs; leaves
C.
rooves; leafs
D.
rooves; leaves
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