【简答题】十字花科植物的雄蕊类型属于( )。 A四强雄蕊 B二强雄蕊 C二体雄蕊 D单体雄蕊
【简答题】菊科植物的雄蕊类型是______,十字花科植物的雄蕊类型是______,唇形科植物的雄蕊类型是______,蝶形花亚科的雄蕊类型是______。
【单选题】Consumers had better choose a provider of a credit card with______.
A.
the promise of giving their money back on their purchases
B.
the rewards in the form. of a check
C.
a reasonable rate and reward for using their card
D.
the chance of giving their money back in a short time
【判断题】收账费用支出越多,坏账损失越少,两者是线性关系。 ( )
【单选题】Let’s go to the airport a little earlier __________ we can choose better seats.
【单选题】If you travel to ______ out of season, youd better choose a hotel rather than a vacation rental.
【判断题】收账费用支出越多,坏账损失越少,两者是线性关系
【多选题】下列关于收账费用与坏账损失关系的说法,正确的是( )。
A.
收账费用支出越多,坏账损失越少,两者成反比例的线性关系
B.
收账费用支出越多,坏账损失越少,但两者不一定存在线性关系
C.
在一定范围内,坏账损失随着收账费用的增加而明显减少,但当收款费用增加到一定限度后,坏账损失的减少就不再明显了
D.
在制定信用政策时,要权衡增加收款费用和减少坏账损失之间的得失
【单选题】-You couldn’t have chosen any gift better for me. -______.
A.
Oh,I’d choose a better one for you next time.
B.
You’ve had a gift for music,haven’t you?
C.
I’m glad that you like it so much.
D.
Sorry,but don’t blame me,dear.