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【单选题】
cos15°sin105°+cos75°sin15°等于(  )
A.
0
B.
1 2
C.
3 2
D.
1
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【判断题】电焊机、电气火车等设备漏电的情况下,漏到地下的电流经常引起附近地下金属设备的腐蚀,特别是直流电漏电引起的这种腐蚀破坏速度较小。
A.
正确
B.
错误
【单选题】The primary purpose of this text is to ________.
A.
explain Jefferson's ideas of democracy
B.
exalt Jefferson as an outstanding philosopher
C.
illustrate Jefferson's influence on modern politics
D.
view Jeffersonian democracy under modern conditions
【单选题】–Excuse me, but can you tell me which road I should take to the post office? --______ of the four roads will do.
A.
Any
B.
Neither
C.
Both
D.
Every
【单选题】A post road is a road designated for the transportation of___.
A.
pedestrains
B.
cars
C.
carriages
D.
mails
【简答题】为了避免同一个头文件在同一个文件中被直接或者间接重复包含,可以使用_________
【单选题】The primary purpose of this text is to ______.
A.
explain Jefferson' s ideas of democracy
B.
exalt Jefferson as an outstanding philosopher
C.
illustrate Jefferson' s influence on modem politics
D.
view Jeffersonian democracy under modern conditions
【单选题】现有10吨蜂窝煤需要从宜昌运往贵州,请问采用哪种运输方式较好?
A.
公路运输
B.
铁路运输
C.
水路运输
D.
管道运输
【简答题】沉积物沉积后,经历的主要成岩作用类型有: 1 、 2 、 3 、 4 、 5 、 6 等。 从“ 压实和压溶作用、同生作用、胶结作用、风化作用、交代作用、重结晶作用、生物作用、溶蚀作用、粘土矿物转化、化学分异作用 ”
【单选题】There_____a post offce and two hotels on Sunny Road .
A.
has        
B.
are    
C.
is
【简答题】__________ the road,and you will come to the post office. [A] If you were to turn off [B] Turn off [C] Turning off [D] Having turned off
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