A.can
B.must
C.may
D.are not allowed to
[单选题]________ stand her.It’s dangerous.A.NoB.NotC.Don’tD.Doesn’t
[单选题]The green kite can fly______than that red one.A.hightB.fastC.higherD.as hight
[单选题]Not that John doesn′t want to help you,______ it′ s beyond his power.A.but
[单选题]If you travel by air across the center of Africa or South America, you fly
[单选题]If you travel by air across the center of Africa or South America, you fly
[单选题]If you travel by air across the center of Africa or South America, you fly
[单选题]If you travel by air across the center of Africa or South America, you fly
[单选题]If you travel by air across the center of Africa or South America, you fly
[试题]It’S e__________________ for him to fly a kite.He can fly it well.
[名词解释] 近等基因系分析法(near isogenic line,NIL)