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【单选题】
现有AaBb与aaBb两个体杂交，（按自由组合定律遗传）判断其子一代的表现型和基因型各多少种（）A.
2种表现型、6种基因型
B.
4种表现型、9种基因型
C.
2种表现型、4种基因型
D.
4种表现型、6种基因型
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反馈参考答案：
举一反三
【单选题】All people, whether they be rich or poor, strong or weak, privileged or deprived ,are interdependent ,and ________ the common task of seeking to achieve mankind’s full potential.
A.
share in
B.
bring in
C.
take in
D.
call in
【简答题】阅读理解 More than half of rich Americans have not shown their full wealth to their children, a new survey showed last Tuesday. The survey, published by the Bank of America, studied the rich with $ 3 mill...
【单选题】继电器是根据电学量或其他物理量,接通和断开控制电路的一种自动电器,继电器种类很多,其中( )应用普遍。
A.
热继电器
B.
电磁继电器
C.
时间继电器
D.
速度继电器
【简答题】从排队论的观点出发,多址信道可以看成一个()的排队系统。
【单选题】The boy looked up timidly at his father who was sitting next to him, but he didn't stop crying. __________, his crying became more intense.
A.
If nothing
B.
If not
C.
If everything
D.
If anything
【简答题】2019年9月31日审核员在行政管理部审核，查阅公司2019年7月15日管理评审的资料，看见管理评审报告中提出了五项改进要求，但审核员只看见到了其中两项改进要求的实施情况及其验证证据，没有看见另外三项改进要求的实施情况及验证证据。请针对上述现象阐述审核思路。
【单选题】All people, whether they be rich or poor, strong or weak, privileged or deprived,are interdependent, and _______ the common task of seeking to achieve mankind's full potential.
A.
turn down
B.
think over
C.
live on
D.
share in
【单选题】All people, whether they be rich or poor, strong or weak, privileged or deprived, are interdependent, and ___________ the common task of seeking to achieve mankind’s full potential.
A.
embark on
B.
share in
C.
live on
D.
turn down
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