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【單選題】
現有AaBb與aaBb個體雜交（符合自由組合規律），其子代中表現型不同于雙親的個體占全部子代中個體的比例為（ ）
A.
1/8
B.
1/4
C.
1/3
D.
1/2
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舉報參考答案：
舉一反三
【單選題】The traffic is heavy these days. I ________ arrive a bit late, so could you save me a place?
A.
can
B.
must
C.
need
D.
might
【單選題】The movie star didn’t ________ until the crazy fans had waited for almost two hours.
A.
look up
B.
hold up
C.
turn up
D.
put up
【單選題】There is no doubt that a small child has to learn to keep its ________ before it can walk far.
A.
strength
B.
peace
C.
energy
D.
balance
【單選題】My hometown has grown so fast that it’s ________ what it used to be.
A.
twice the size of
B.
the size as large as
C.
twice larger
D.
twice of the size
相關題目：
【單選題】The traffic is heavy these days. I ________ arrive a bit late, so could you save me a place?
A.
can
B.
must
C.
need
D.
might
【單選題】The movie star didn’t ________ until the crazy fans had waited for almost two hours.
A.
look up
B.
hold up
C.
turn up
D.
put up
【單選題】There is no doubt that a small child has to learn to keep its ________ before it can walk far.
A.
strength
B.
peace
C.
energy
D.
balance
【單選題】My hometown has grown so fast that it’s ________ what it used to be.
A.
twice the size of
B.
the size as large as
C.
twice larger
D.
twice of the size
參考解析：
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