皮皮学,免费搜题
登录
搜题
【简答题】
某填料吸收塔在101.3kPa和300K下用清水逆流吸收气体中之甲醇蒸汽。已知气体中甲醇浓度为0.0749kmol甲醇·kmol -1 惰性气体。吸收率98%,所得的溶液中甲醇浓度为最大浓度的67%,平衡方程为Y=1.15X。气体的空塔速度选用0.5m·s -1 ,惰性气体流量为42kmol·h -1 ,试求:
拍照语音搜题,微信中搜索"皮皮学"使用
参考答案:
参考解析:
知识点:
.
..
皮皮学刷刷变学霸
举一反三
【简答题】It seems that this method is (effective)______ than the previous one.(2014.12)
【判断题】第三方支付能够一定程度上避免信用卡信息在网络多次公开传输而导致的信用卡信息被窃事件。
A.
正确
B.
错误
【单选题】60 It seems ridiculous to the writer that_______________.
A.
people dive 300 metres into the sea
B.
expensive clothes sell better than cheap ones
C.
cheap cars don’t run as fast as expensive ones
D.
expensive watches with unnecessary functions still sell
【单选题】The essayists' main task seems to be ______.
A.
the implied revelation and description of the truth
B.
the free depiction and modification of their memories
C.
the frank confession of what is concealed in their mind
D.
the communication of their striking thoughts to readers
【判断题】m4a 几乎可以在所有支持 MPEG4 音频的软件上播放
A.
正确
B.
错误
【判断题】情感是人和动物共有的高级心理现象。( )
A.
正确
B.
错误
【单选题】Linda seems to be suggesting in the end of the passage that______.
A.
more effective ways than graduation rates should be adopted to measure athletes' academic performance
B.
coaches often give their athletes higher scores than they do other students
C.
some student athletes are finding the easiest questions difficult to answer in exams
D.
academic performances in colleges are in the hands of the athletes' coaches
【单选题】Theauthor seems to be suspicious of the public-health success because [
A.
] the message that smoking kills isn't voiced loudly enough. [
B.
] unskilled workers are more willingto pay for the heavy tax in cigarettes. [
C.
] single mothers are more likely touse their benefits to buy cigarettes. [
D.
] the positive effects are yieldedmostly on the richer population.
【单选题】________ seems to be no possibility _______ the shy girl can win the first prize in the contest.
A.
There; whether
B.
It; whether
C.
There; that
D.
It; that
【单选题】Critical articles on this novel argue that though the plot seems logical, the ending of the novel is______.
A.
tardy
B.
ramrod
C.
farfetched
D.
factitious
相关题目: