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【简答题】
命名下列化合物3:
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举一反三
【简答题】压力容器标有“II M S”表示什么意思?
【单选题】打字时的坐姿、手形和手指的互相调节,都是很重要的,下面的哪种说法是错误的
A.
打字时应选高度适中的座椅，身体坐直，十指放在规定的键上。
B.
敲键时应有节奏，力度均匀，各手指分工明确。
C.
除了十个手指敲键盘外，上半身其它部位不能接触工作台或键盘。
D.
打字时拇指除了敲空格键外，还能敲Alt和Ctrl键。
【单选题】With his lips still _______ ，he couldn’t say a word．
A.
trembling
B.
tremble
C.
to tremble
D.
to be trembling
【多选题】学生日常行为规范中，自尊自爱、仪表端庒要做到：
A.
坐、立、行走、读书、写字姿势端正。
B.
穿着整洁，朴素大方。
C.
举止文明、礼貌，态度和蔼，谈吐文雅。
D.
不吸烟。不酗酒、不早恋。
E.
不赌博，不打架斗殴，不参加封建迷信举动，不传看黄色书刊、录像，不进网吧。维护国家尊严和利益，不做有损国格、人格的事
【单选题】A diesel engine should not be operated at low loads for long periods of time because_____
A.
heavy carbon deposits will buildup on the valves and in the exhaust
B.
fuel dilution is increased at low load
C.
exhaust valves may be damaged
D.
all of the above
【单选题】He has a______ habit of biling his lips when he is puzzled.
A.
particular
B.
specific
C.
peculiar
D.
general
【单选题】The soldier stood there ___ , except that his lips moved a little as if he was saying to himself.
A.
still
B.
till
C.
until
D.
untill
【单选题】I seemed to be pretty good___ reading his lips after a while, even better than the nurses that were caring ___ him.
A.
at; for
B.
for; for
C.
at; about
D.
for; about
【单选题】In a time of low academic achievement by children in the United States, many Americans are turning to Japan, a country of high academic achievement and economic success, for possible answers. However,...
A.
Japanese parents are more involved in preschool education than American parents
B.
Japan's economic success is a result of its scientific achievements
C.
Japanese preschool education emphasizes academic instruction
D.
Japan's higher education is superior to theirs.
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