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【多选题】
胃酸的生理作用有A.
激活胃蛋白酶原
B.
有助于铁和钙的吸收
C.
直接使脂肪分解
D.
促进G细胞分泌促胃液素
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【简答题】Make sure you save all your work on screen the computer breaks down. A.in case B. as if C. so that D. even though
【简答题】检测气缸密封性的常用方法有: 、 ; 测量曲轴箱窜气量; 测量进气管真空度;测量曲轴箱机油中金属磨屑的含量等。
【单选题】A user has discovered that even though they are using the latest version of the anti-virus software,the computer is still being infected by a virus. Which of the following is the BEST solution for thi...
A.
Replace the computer.
B.
Run chkdsk /f.
C.
Update the virus signatures.
D.
Run scandisk.
【单选题】Even though most universities retain the royalties from faculty members inventions, the faculty members retain the royalties from books and articles they write. Therefore, faculty members should retai...
A.
Royalties from inventions are higher than royalties from educational software programs.
B.
Faculty members are more likely to produce educational software programs than inventions.
C.
Inventions bring more prestige to universities than do books and articles.
D.
In the experience of most universities, educational software programs are more marketable than are books and articles.
E.
In terms of the criteria used to award royalties, educational software programs are more nearly comparable to books and articles than to inventions.
【简答题】下列关于叙述观察的说法正确的是:
【单选题】轴上点发出的光束形为 , (有/无)对称轴。 轴外点发出的光束形为 , (有/无)对称轴。
A.
圆锥面，有，圆柱面，无
B.
圆锥面，无，圆柱面，有
C.
圆柱面，无，圆锥面，有
D.
圆柱面，有，圆锥面，无
【简答题】请用5种方法描述由两个或非门构成的基本触发器的逻辑功能
【判断题】Once you connect your computer to the Internet , it is likely to contract a virus even though you haven’t download anything.
A.
正确
B.
错误
【单选题】There are usually ______ witnesses to the computer crime, even though it may be taking place in a room filled with people.
A.
many
B.
a number of
C.
a lot of
D.
no
【简答题】China is a nation with a rich culture in handwriting. “Even though the computer is widely used today, Chinese people should not forget the skill of writing with hands,” said a Chinese government offic...
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