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搜题
【单选题】
某种动物由出生活到20岁的概率为0.8,活到25岁的概率为0.4,问现年活到20岁的这种动物活到25岁的概率是( )。A.
0.4
B.
0.5
C.
0.6
D.
0.8
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皮皮学刷刷变学霸
举一反三
【单选题】Task 3 Choose the best answers. 1) When I was at college, I ________ a desk with John. We were desk mates.
A.
used as
B.
had for
C.
shared
D.
shared to
【单选题】以下标识符中不全是保留字的是
A.
case for int
B.
default then while
C.
bool class long
D.
goto return char
【简答题】Task3 Choose words or expressions from Task 2 to fill in the blanks of the following sentences 1) Moving to a new house is a very___________ experience.
【单选题】Task 3 Choose the best answers. 1) Farms are afraid that the cold weather will ________ crops.
A.
affect
B.
effect
C.
effective
D.
offend
【单选题】Task 3 Choose the best answers. 1) We should make decisions according to ________ conditions.
A.
difficult
B.
specific
C.
essential
D.
favorable
【简答题】Actions taken by Siemens and other firms show demanding for consultancy is ______.
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