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问题 选择题

下表各组物质中，满足图物质一步转化关系的选项是（　　）

选项XYZ

①

NaNaOHNaHCO3
②CuCuSO4Cu（OH）3
③CCOCO2

④

SiSiO2H2SiO3

A．①

B．②

C．③

D．④

答案

答案：C

选择题

如果你是一位房地产开发商，面对该地政府对你的投资邀请，你认为首先应该做的是 …（　　）

A．拒绝邀请，因为该地的商品房太多了

B．向当地政府要求无偿提供土地，才可以进行合作谈判

C．马上到该地进行投资，因为这里要买房的人很多

D．对该地房地产市场进行全面的考察，作出可行性报告
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听力题

用所给动词的适当形式填空

小题1:How about _________ (eat) some Beijing Duck?

小题2:I hope it_________ (not rain) tomorrow.

小题3:Can your sister ________ (sing) the song in English?

小题4:He _________ (try) to use a knife to open the door, but he failed at last.

小题5:It’s not easy_________ (work) out this maths problem.

小题6:We are looking forward to _________ (receive) your letters.

小题7:----Millie, please tell your brother not to cross the road, it is dangerous.

----Thank you. I __________(ask) him to be careful.

小题8:One of the red key rings_______(belong) to Millie.

小题9:Why not ________(visit) the Great Green Wall next month?

小题10:Look! He with his parents ________ (lie) on the grass.
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