日韩亚洲一区中文字幕,日韩欧美三级中文字幕在线,国产伦精品一区二区三区,免费在线欧美性爱链接

      1. <sub id="o5kww"></sub>
        <legend id="o5kww"></legend>
        <style id="o5kww"><abbr id="o5kww"></abbr></style>

        <strong id="o5kww"><u id="o5kww"></u></strong>
        1.  0  440513  440521  440527  440531  440537  440539  440543  440549  440551  440557  440563  440567  440569  440573  440579  440581  440587  440591  440593  440597  440599  440603  440605  440607  440608  440609  440611  440612  440613  440615  440617  440621  440623  440627  440629  440633  440639  440641  440647  440651  440653  440657  440663  440669  440671  440677  440681  440683  440689  440693  440699  440707  447090 

          26. I had wanted to help you last night but I couldn’t spare any time, for I _______ a composition  which I have to hand in this morning.

              A. wrote            B. was writing           C. had written        D. have written

          試題詳情

          25. _______ seems to be a strong competition in China for senior high students to enter college or university.

               A. It            B. There             C. What          D. That

          試題詳情

          24. -When can I use your computer?

          -Never! _______  should you touch it.

              A. At no time         B. In no time         C. At any time        D. At one time

          試題詳情

          23. Only ticket-holders were _______ to the stadium for the concert given by Jay Chou, so many of his fans were turned away.

             A. allowed B. permitted         C. agreed            D. admitted

          試題詳情

          22. _______ person like him won’t be satisfied with _______ little progress that he has made.

              A. The; a            B. The; /            C. A; /              D. A; the

          試題詳情

          5、(1)C24H12       (2)膠體       (3)51:50

          (4)

          試題詳情

          4、(1)

          (2)反應(yīng)液微沸有紅棕色氣體充滿A容器

          (3)除去溴苯中的溴

          (4)除去溴化氫中的溴蒸氣

          (5)石蕊試液,溶液變紅色

          試題詳情

          3、(1)                         

          (2)

          (3)穩(wěn)定  (4) ad

          試題詳情

          1、D       2、C       

          試題詳情


          同步練習(xí)冊答案