A:8Ω
B:6Ω
C:5Ω
D:10Ω
—Help yourself to some fish.—Thanks. Oh, it tastes so ___________.
连词成句。
已知:R﹣CH=CH2 (i)B2H6(ii)H2O2/OH− R﹣CH2CH2OH(B2H6为乙硼烷)
回答下列问题:
Bob used to _______ a difficult person to get along with. But recently he has got used to
_______ with others in a friendly way.
已知y=(k﹣3)x+k﹣9是关于x的正比例函数.求当x=﹣4时,y的值.