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【判断题】
( )蒸发温度选取的越低,传热温差就越大A.
正确
B.
错误
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举一反三
【简答题】如图，已知l 1 ∥l 2 ，∠1＝40°，∠2＝55°， 则∠3＝_____，∠4＝____.
【简答题】如图已知直线L 1 //L 2 ，直线L⊥L 2 ， ∠β=55°，则∠α=（ ）。
【简答题】A．She has a toothache. B．She coughs badly. C．She has got a cancer. D．She caught a cold.
【简答题】A．Because she has got an appointment. B．Because she doesn't want to. C．Because she has to work. D．Because she wants to eat in a new restaurant.
【简答题】如图，已知直线l 1 ∥ l 2 ，∠1=40°，那么∠2=______度．
【简答题】如图，已知直线l 1 ∥ l 2 ，∠1=35°，那么∠2=______°．
【简答题】如图，已知l 1 ∥l 2 ，∠1=40°，∠2=55°，则∠3=（ ）度，∠4=（ ）度．
【简答题】如图，已知直线 l 1 ∥ l 2 ，∠1= 40°，那么∠2=（ ）。
【单选题】Mum is coming. What present _______ for your birthday?
A.
you think she has got
B.
you think has she got
C.
do you think she has got
D.
do you think has she got
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