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【单选题】
某生物个体与基因型aabb的个体交配，共产生了四种表现型的后代，其比例为1∶1∶1∶1。该个体的基因型是（）A.
AABb
B.
AaBB
C.
AaBb
D.
AABB
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【简答题】The elderly landlady couldn’t _____________ the behavior of the young man any more: he tossed trash all over the building.
【单选题】A meal of a bean burrito, tossed salad, and glass of milk represents foods from all MyPlate food groups except
A.
dairy
B.
protein
C.
vegetables
D.
fruits
【单选题】The old lady couldn’t ( )the behavior of the young man any more: he tossed trash all over the room.
A.
endure
B.
count up
C.
react to
D.
assault
【简答题】A.dropped B.pulled C.seized D.tossed
【简答题】A．dropped B．pulled C．seized D．tossed
【判断题】剖面图又称剖切图,是通过对有关的图形按照一定剖切方向所展示的内部构造图例,剖面图是假想用一个剖切平面将物体剖开,移去介于观察者和剖切平面之间的部分,对于剩余的部分向投影面所做的正投影图。
A.
正确
B.
错误
【单选题】The landlady couldn’t ____ the behavior of the young man any more: he tossed trash all over the room.
A.
endure
B.
count up
C.
react to
D.
assault
【单选题】'Have you got some red eggs?' 'No, but I've got ______ .'
A.
any white ones
B.
some white ones
C.
some white one
D.
any white one
【简答题】I tossed about all night, unable to ___________________. (词组:入睡)
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