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【单选题】
路面基层人工拌合施工时,当已整平材料含水率过小时,土层上洒水闷料。采用普通路拌机械时,闷料时的洒水量宜较最佳含水率低( )个百分点。A.
0.5 ～1
B.
1 ～2
C.
2 ～3
D.
3 ～4
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【单选题】The author predicts that in the near future cars will all be controlled by two main computers, one in the front of the car and the other in the rear.
A.
Y
B.
N
C.
NG
【单选题】America's Brain Drain Crisis Losing the Global Edge William Kunz is a self-described computer geek. A more apt description might be computer genius. When he was just 11, Kurtz started writing software...
A.
Y
B.
N
C.
NG
【简答题】被子植物叶片形态具有极大的多样性，植物学上一般从叶片的（）（）（）和（）等几个方面对叶片加以描述，以此作为植物分类鉴定的依据之一。
【单选题】—Could you tell me _______ to go to Hainan by air? —Just a minute, please. I have to check my computer. [ ]
A.
how much does it cost
B.
how much did it cost
C.
how much it cost
D.
how much it costs
【简答题】被子植物叶片形态具有极大德多样性,植物学上一般从叶片的 、 、 和 等几个方面对叶片加以描述,以此作为植物分类鉴定的依据之一。
【单选题】A lot of small problems can be solved by( )your comput
A.
trash
B.
element
C.
reduce
D.
trapped
E.
restarting
F.
resources
【简答题】.被子植物叶片形态具有极大的多样性,植物学上一般从叶片的( ),( ),( )和( )等几个方面对叶片加以描述,并作为植物分类鉴定的依据之一。
【单选题】An internet is a combination of networks connected by()
A.
modems
B.
routers
C.
switches
D.
computers
【简答题】As computers become all the more popular in China, Chinese people are increasingly relying on computer keyboards to input Chinese characters. But if they use the computer too much, they may end up for...
【单选题】The result must be accurate, because all the calculations have been done by an______computer.
A.
electric
B.
electrical
C.
electron
D.
electronic
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