关于期权交易中,内在价值与价外期权的说法正确的是()。
A.内在价值+价外期权=0
B.内在价值+价外期权>0
C.内在价值+价外期权<0
D.内在价值-价外期权=0
参考答案:A
Mr.Smith teaches English in a middle school.He has two children. They are . Mr. Smith calls them Mike and Dick. Jim and Alex are Mr. Smith’s students. They often go to see the twins and with them at home. Sometimes, they something to Dick and Mike. On Saturday, they go to Mr. Smith’s. When the twins see Jim and Alex, they are very happy. Jim asks Mike, “ are you, Mike?” “Three.” Mike answers.
Alex behind Jim says, “Dick and Mike. Look! Pears. Don’t you want ? Well, I have a . If one of you can answer well, I will him one.” The twins Alex carefully. “I have two pears, now I eat one. How many do I have, then?”
“One.” Dick says.
Mike answers, “Two.”
“Two?” Jim says, “ ?”
“Oh, one is inside and is outside.”
小题1:
A.twin brothers
B.twin brother
C.twins brother
D.twins brothers小题2:
小题2:
A.study
B.eat
C.play
D.work小题3:
小题3:
A.borrow
B.buy
C.pass
D.bring小题4:
小题4:
A.How much
B.How many
C.How old
D.What time小题5:
小题5:
A.to drink
B.to eat
C.eat
D.play小题6:
小题6:
A.game
B.problem
C.question
D.puzzle小题7:
小题7:
A.give
B.catch
C.draw
D.finish小题8:
小题8:
A.hear
B.listen to
C.listen
D.look at小题9:
小题9:
A.How
B.Where
C.Why
D.What小题10:
小题10:
A.Other
B.another
C.the others
D.the other
将如图所示各仪器名称前的字母序号与其用途相对应的选项填在相应位置。
(1)用来夹试管的工具是__________;
(2)贮存固体药品的仪器是__________;
(3)常作为反应用的玻璃容器是__________;
(4)用于洗涤仪器内壁的工具是__________;
(5)用于夹持燃烧镁条的工具是__________;
(6)检验物质可燃性,进行固气燃烧实验的仪器是__________;
(7)用于加热浓缩溶液、析出晶体的瓷器是__________;
(8)加热时常垫在玻璃容器与热源之间的仪器是__________。