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【简答题】After
losing touch ________ his younger sister for twenty years, Brown was amazed to
find that they were both living in the same state.
【简答题】After losing touch ________ his younger sister for twenty years, Brown was amazed to find that they were both living in the same state.A. with
【单选题】As an old sailor, he has ____________ in most parts of the world in his time. He must be interesting to listen to.
A.
knocked over
B.
knocked about
C.
knocked out
D.
knocked off
【单选题】在氧弹实验中, 若要测定样品在293 K时的燃烧热, 则在实验时应该: ( )
A.
将环境温度调至 293K
B.
将内筒中 3000 cm 3 水调至 293 K
C.
将外套中水温调至 293 K
D.
无法测定指定温度下的燃烧热。
【单选题】听力原文： There was once a man who spent all his time in his glasshouse. Flowers were his name, and flowers were his main joy in life He grew flowers of every color under the sun. He grew these flowers in...
A.
To grow beautiful flowers.
B.
To grow a rose of new color and win a prize.
C.
To grow all kinds of flowers in the world.
D.
To take part in the competition.
【简答题】一座功率为P=750 MW的核动力站，反应堆的温度为586K，可以利用的河水温度为293K，求：
【简答题】Bill White’s father is a lawyer. In his time, he likes to get out in the country and take some of animals. For a long time, Bill had wanted to go with his father on one of his . But his father didn’t ...
【简答题】Who is Xu Xiake? He is an ancient traveller who refused to __________1____________ but determined to ___________________2___________. Why does Jeremy Lin attract John so much? He is successful but als...
【单选题】We have been engaged ___ for many years.
A.
in this line
B.
on this line
C.
in this sort
D.
belonging to this
【单选题】在温度为 293 K 下,混合气体中 SO 2 平衡分压为 0.05 atm 时,溶液中 SO 2 的总浓度为( )。 293K 下, H ( SO 2 ) =1.63 kmol/(atm · m 3 ) ,离解常数 K 1 =[H + ][HSO 3 - ]/[SO 2 ]=0.017 kmol/m 3 。
A.
7.6 kg/m 3
B.
5.8 kg/m 3
C.
4.9 kg/m 3
D.
3.5 kg/m 3
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