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【多选题】
选育杂交种利用杂种优势时，不同组合F1杂种优势不同，其中杂种优势最强的是（）：遗传基础广泛且F2及其后代的杂种优势衰退不明显的是（）。A.
B.
C.
三交种
D.
综合种
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举一反三
【简答题】雷达用于测量时应将扫描亮度与增益调整为:____。
【单选题】On 1 January 20X1, Sly received $2m from the local government on the condition that they employ at least 100 staff each year for the next 4 years. On this date, it was virtually certain that Sly would...
A.
Reduce deferred income balance by $1, 500, 000
B.
Reduce deferred income by $1,500,000 and recognise a loss in the financial statements of $500, 000
C.
C Reduce deferred income by $2,000,000
D.
D Reduce deferred income by $2,000,000 and a gain in the financial statements of $500,000
【单选题】– ¿Qué tal el examen? – Regular, no pensé que tan difícil.
A.
fuera
B.
sea
C.
haya sido
D.
había sido
【单选题】After living there for one year, they have ________ there. [ ] A. accustomed to working B. accustomed to work C. been accustomed to working D. been accustomed to work
A.
B.
C.
D.
D
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