299.Do you know the famous scientist Yuan.Longping?
Of course. His name _____ whenever the matter of hybrid (杂交水稻）is discussed.
A.comes out
B.comes up
C.comes in
D.comes on
300.If you _____ your hand as far as you can, you should be able to touch it.
A.push out
B.reach out
C.hold out
D.pull out
299.答案是B;come out显露，结果是，出版；come up被提出icome in进来;come on开始，发生—加油。
300.答案是B;push out常用被动语态,意为:解雇，摆脱;reach out伸手;hold out伸出，提供，坚持;pull out拔出，车驶出，摆脱困境。
