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. With sufficient scientific information a manned trip to Mars should be _____.

          A. obtainable    B. potential    C. considerable     D. feasible

          D. feasible


          解析:

          feasible(=that can be done)可行的,可做到的:1)Your plan sounds quite feasible.(你的計劃聽起來很可行。) 2)It's not feasible to make the trip in one day.(一天內(nèi)要進(jìn)行這次旅行是做不到的。)obtainable可得到的;considerable相當(dāng)?shù),可觀的;potential潛在的,可能的。

          練習(xí)冊系列答案
          相關(guān)習(xí)題

          科目:高中英語 來源: 題型:

          The oranges____ nice ,but_____badly this year.

          A. are tasted; aren’t sold  B.taste;sell     C. are tasted; sell  D. taste; are sold

          查看答案和解析>>

          科目:高中英語 來源: 題型:

          (2009山東煙臺檢測)After several part – time jobs, he’s now got a       job in a bank.

          A.precious              B.scary                   C.specific               D.stable

          查看答案和解析>>

          科目:高中英語 來源: 題型:

          This chemical works _____.

                  A. is rebuilding   B. is being rebuilt    C.are being rebuilt    D. is being rebuilt

          查看答案和解析>>

          科目:高中英語 來源: 題型:

          22. Mr. Smith gradually _____ a knowledge of the subject.

                  A. attained                    B. achieved                    C. required            D. acquired

          查看答案和解析>>

          科目:高中英語 來源: 題型:

          The branches could hardly _____ the weight of the fruit.

          A. retain    B. maintain   C. sustain    D. remain

          查看答案和解析>>

          科目:高中英語 來源: 題型:

          They stole the goods in the store and were put ____.

                  A. in a prison     B. in prison    C. at prison     D. in the prison

          查看答案和解析>>

          科目:高中英語 來源: 題型:

          Everywhere man has cut down __________ forests in order to grow crops, or to use __________ wood as fuel or as building material.

           A. the; the      B. the; 不填     C. 不填; the     D. 不填; 不填

          查看答案和解析>>

          科目:高中英語 來源: 題型:

          — Are you coming to Jeff’s party?

          — I’m not sure. I _____ go to the concert instead.

          A. must  B. would  C. should   D. might

          查看答案和解析>>

          同步練習(xí)冊答案