下列关于基因突变的叙述，不正确的是[ ] A．基因突变发生的时期越迟，生物体表现

SUNNY SCHOOL
We are a bilingual(双语) school for children of 6-15. We want a cook, a library assistant, a sports coach and a language teacher.

Job	Age	Languages	Skill	Other terms (其它条件)
cook	25~40	Chinese	can cook Chinese and Western(西方) food	healthy
library assistant	20~35	Chinese, English	has the knowledge(知识) on all kinds of books	careful (仔细)
sports coach	20~40	Chinese, English	major in(主修) P.E.	healthy, strong
teacher	30~45	Chinese, English	major in English

小题1:Who can go to Sunny School?

A．A four-year-old child.	B．An eleven-year-old boy.
C．A sixteen-year-old girl	D．An eighteen-year-old kid.

小题2:Who is wanted by Sunny School?

A．A doctor.

B．An actor.

C．A library assistant

D．A waiter .

小题3:We know ______ may not speak English in Sunny School.

A．the sports coach	B．the cook
C．the library assistant	D．the language teacher

小题4:The coach must major in _______.

A．Chinese

B．English

C．food

D．P.E.

小题5:The Sunny School wants a teacher ________.

A．aged between 25 and 40

B．who can cook Western food

C．who is careful and strong

D．who can speak English and Chinese