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【简答题】
昆虫雌虫的产卵器着生于腹部第（）节和第（）节上，雄虫的交配器着生于腹部第（）节上。
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皮皮学刷刷变学霸
举一反三
【单选题】An average human being has how many litres of blood?
A.
1 litre
B.
2litres
C.
5 litres
D.
10 litres
【单选题】340 litres of chemical X were produced in a period. There is a normal loss of 10% and an abnormal loss of 5% of the material input into the process.How many litres of material were input into the proc...
A.
377 litres
B.
400 litres
C.
380 litres
D.
358 litres
【单选题】Did you know that ___________ a single ton of steel, _______ takes about 91,000 litres of water?
A.
producing ; it
B.
to produce ; it
C.
to produce ; which
D.
producing ; which
【单选题】A typical ______ uses 20 litres of water a minute.
A.
power shower
B.
simple shower
C.
bath
【单选题】《铁路旅客运输办理细则》线路中断后，旅客要求在发站或一个中途站（返回途中自行下车无效）等候继续旅行，凭原票在通车（）日内可恢复旅行。旅客要求恢复旅行时，车站应办理签证手续。
A.
10
B.
11
C.
12
D.
13
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