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如图所示是某家族系谱图，据查明，I1内不含乙病的致病基因（甲病基因用A或a表示，乙病基因用B或b表示）。 I1的基因型是（），I2的基因型是（）
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【判断题】“Enjoyed” is too mild a word, really; I walked on air. 说真的,“开心”这个词还足以表达我的心情;我简直是陶醉了。
A.
正确
B.
错误
【简答题】Without proper planning, tourism can cause problems . For example , too many tourists can crowd public places that are also enjoyed by the inhabitants of a country . If tourists create too much traffi...
【简答题】“Enjoyed” is too ______________ a word, really; I walked on air. I really lived.
【简答题】Without proper planning, tourism can cause problems. For example, too many tourists can crowd public places that are also enjoyed by the inhabitants of a country. If tourists create too much traffic, ...
【判断题】“Enjoyed” is too mild a word, really; I walked on air.说真的,“开心”这个词还不足以表达我的心情;我感觉自己像走在空中。
A.
正确
B.
错误
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