问题 选择题

将1mol H2(g) 和2mol I2(g) 置于2L密闭容器中,在一定温度下发生反应: H2(g)+ I2(g) 2HI(g) ;△H<0,并达到平衡,HI的体积分数ω(HI)随时间变化如图(II)所示。若改变反应条件,ω(HI)的变化曲线如图(Ⅰ)所示,则改变的条件可能是

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A.恒温恒容条件下,加入适当催化剂

B.恒温恒压条件下,充入1 mol N2

C.恒容条件下,升高温度

D.恒温恒容条件下,再充入1 mol H2(g) 和2 mol I2(g)

答案

答案:C

完形填空

A woman saw three old men sitting outside .She said, "I don’t’ think I know you ,but you must be very hungry .Please come in and have something to (1) ______."

"We don’t go into a house (2) ______. " they answered ."Why is that ?" she asked .

One of the old men said ,"His name is Wealth(财富),this is Success, and I am Love ,Now go in and (3) ______with your family which one of us you want in your house ."

The woman went in and told her family all that happened .She said, "Let’s invite Wealth .We have been so (4) ______ ." Her husband disagreed." My dear ,why don’t we invite Success ? Don’t you want me to be a successful man ?" Then her daughter asked ."Would it be (5) ______ to invite Love ? Our life will then be filled with love!" In the end ,the family decided to take the (6) ______ advice.

So the woman went out and asked ,"Which one of you is (7) ______? Please come in and be our guest." Love got up and started walking to the house. The other two also got up and (8) ______ him. Surprised ,the lady asked Wealth and Success, "I ( 9) ______invite love .Why are you coming along ?" The two old men answered . "If you invited Wealth or Success, the other two would have to (10) ______ , but as you invite Love ,wherever he goes ,we go with him. Where there is Love ,there is Wealth and Success."

小题1:A. say  B. eat  C. use

小题2:A. together   B. alone  C. crowdedly

小题3:A. play  B. exercise  C. discuss

小题4:A. poor  B. rich  C. lucky

小题5:A. worse  B. better  C. less

小题6:A. father’s  B .mother’s  C. daughter’s

小题7:A. Love  B. Wealth  C. Success

小题8:A. left  B. followed  C. stopped

小题9:A. only  B. hardly  C. never

小题10:A. join in  B. go along with  C. stay out

选择题