题目

下列反应的离子方程式正确的是A.氢氧化钡溶液与稀硫酸反应 Ba2++OH-+H+ +SO42-===BaSO4↓+H2OB.氨水滴入氯化镁溶液: 2OH-+Mg2+===Mg(OH)2↓C.氯化亚铁溶液中通入氯气: Fe2+ + Cl2= Fe3+ + 2Cl-D.SO2与氯水反应:SO2+Cl2+2H2O=4H++2Cl-+SO42- 答案:D解析 完形填空   My father often works very hard.And he   1   goes to the movies.Here I’ll tell you a(n)  2   story about him.   One afternoon, when he finished his work, and   3   go home, he found a film ticket under the   4   on his desk.He thought he   5   to have not much work to do that day and it was quite wonderful to pass the   6   at the cinema.So he came back home and   7   finished his supper.Then he said   8   to us and left.   But to our   9  , he came back about half an hour later.I asked him what was the   10  .He smiled and told us about the funny thing that had happened at the   11  .   When my father was sitting in his seat, a   12   came to my father’s seat and said that seat was hers.My father was   13  .He took out the ticket at once and looked at it carefully.It was Row 17,   14  .And then he looked at the seat.It was   15  .So he asked her to show her ticket.She took out the ticket at once and the seat   16   on it was Row 17, Seat 3.   Why? What’s the matter with all this? While they were   17  , suddenly the woman said, “The   18   of the tickets are different.” So they looked at the tickets more carefully.After a while my father said, “Oh, I’m   19  .I made a mistake.My ticket is for the   20   a month ago.Take this seat, please.” With these words he left. (1) [  ] A. seldom B. often C. sometimes D. never (2) [  ] A. bad B. strange C. funny D. interested (3) [  ] A. shall B. would C. was about to D. ought to (4) [  ] A. glass B. glasses C. box D. shoes (5) [  ] A. liked B. happening C. took D. happened (6) [  ] A. morning B. afternoon C. evening D. day (7) [  ] A. quick B. quickly C. early D. suddenly (8) [  ] A. sorry B. hello C. goodbye D. luck (9) [  ] A. joy B. surprise C. delight D. fun (10) [  ] A. matter B. wrong C. about D. it (11) [  ] A. cinema B. office C. theatre D. party (12) [  ] A. woman B. boy C. man D. doctor (13) [  ] A. interested B. disappointed C. frightened D. surprised (14) [  ] A. Seat 1 B. Seat 2 C. Seat 3 D. Seat 4 (15) [  ] A. different B. usual C. the same D. likely (16) [  ] A. shown B. taken C. named D. told (17) [  ] A. wondering B. wanting C. looking D. making (18) [  ] A. designs B. prices C. shapes D. colors (19) [  ] A. sorry B. shy C. worried D. right (20) [  ] A. action B. speech C. film D. play
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