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【单选题】
在powerpoint2010中不能更改的图片类型有( )A.
gif
B.
bmp
C.
png
D.
jpg
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举一反三
【单选题】Don’t disturb me. I_______ letters all morning and have written ten so far.
A.
have written
B.
am writing
C.
was writing
D.
have been writing
【简答题】企业投资活动已经活动是不相同的,投资的主要特点表现为,属于企业( )决策、( )管理、投资价值的波动性( )。
【单选题】已知铣刀每齿进给量0.1mm/齿,铣刀刃数4齿、主轴转速1000转/分,求工作台设定的进给速度为多少m/min?
A.
1200
B.
400
C.
1000
D.
500
【单选题】关于医院内感染的概念,正确的
A.
感染和发病应同时发生
B.
探视陪住者是医院内感染的主要对象
C.
出院后发生的感染不属于医院内感染
D.
患者在住院期间遭受的感染
E.
入院前处于潜伏期而住院期间发生的感染也属于医院内感染
【单选题】— I wonder if you could go with me to the supermarket. — Don't disturb me. I my experiment report all the morning and haven't finished yet. [ ]
A.
write
B.
was writing
C.
have written
D.
have been writing
【单选题】—I wonder if you could go with me to the shopping mall. —Don’t disturb me. I ______ my experiment report all the morning and haven’t finished yet.
A.
wrote
B.
was writing
C.
have written
D.
have been writing
【单选题】A1 题型】 关于医院内感染的概念,正确的是
A.
感染和发病应同时发生
B.
探视陪住者是医院内感染的主要对象
C.
出院后发生的感染不属于医院内感染
D.
患者在住院期间遭受的感染
E.
入院前处于潜伏期而住院期间发生的感染也属于医院内感染
【单选题】– Shall we go out for lunch? – Don’t disturb me. I ______ the letters all morning and ______ six so far.
A.
write; wrote
B.
wrote; have written
C.
was writing; wrote
D.
have been writing; have written
【单选题】-----I wonder if you could go with me to the supermarket. ------- Don’t disturb me. I _____________my experiment report all the morning and haven’t finished yet.
A.
write
B.
was writing
C.
have written
D.
have been writting
【简答题】Don’t disturb me. I ______ letters all the morning and have written ten so far. A．write B．was writing C．have written D．have been writing
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