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1 声音可以在固态、液态和气态的介质中传播，传播的速度与介质分子间距有关，分子间距越小，声音的传播速度越快。
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2自来水表上的一度水表示耗水量为（ ）。
A.100公斤水
B.1000公斤水
C.一吨水
D.一立方米水
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3下列退出PowerPoint2010的方法中，错误的是（ ）。
A.单击PowerPoint标题栏右上角的关闭按钮
B.按Alt+F4快捷键
C.选择文件菜单中的"退出"命令
D.单击PowerPoint标题栏左上角的控制菜单按钮
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4Since its repair, the central heating system in the Rayburn Building is now in ( ) order.
A. working
B. practical
C. realistic
D. useful
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5Mr. Uemura declined to ( ) on rumors about how many medicines the drug manufacturer had in develo
A. comment
B. commentary
C. comments
D. commenting
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6The staff of the document storage facility followed the auditor’s suggestions for corrective action
A. other
B. every
C. either
D. any
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7Job seekers are advised to avoid discussing confidential business knowledge acquired ( ) working
A. even
B. beside
C. while
D. throughout
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8His doctor suggested to him that he ( ) medication everyday.
A. be taken
B. takes
C. take
D. took
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9Contrary ( ) the popular opinion, higher taxes end up benefiting the citizens more than lower one
A. for
B. in
C. to
D. with
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10The company is involved in leasing 216000 trucks and providing ( ) services for customers.
A. able
B. logistic
C. eligible
D. informative
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