气瓶的钢印标记应打在瓶肩或不可拆卸附件上，应尽量采用（）打印。

Read the ad carefully and answer the questions.

Welcome to the Zoo Opening（开放时间）:              Fees（费用）: Monday to Friday                  Adults(成年人): $ 8.00 10:00a.m. – 6:00 p.m.             Ages 15 – 18: $ 6.00 Saturday to Sunday                Ages 8 --14: $ 3.00 8:00a.m. – 8:00 p.m.              Under 8: Free（免费）

 
小题1:On Sunday the zoo opens at ________.

A．10:00 in the morning	B．8:00 in the morning
C．9:00 in the morning	D．8:00 in the afternoon

小题2:The zoo opens ________ days a week

A．five

B．four

C．six

D．seven

小题3:If you are ten years old, how much do you pay(付款) to go to the zoo?

A．3 dollars

B．6 dollars

C．Free

D．8 dollars

小题4:Tim is eleven, his little sister is five, they have to pay _____ to go to the zoo.

A．14 dollars

B．9 dollars

C．11 dollars

D．3 dollars

小题5:If (如果) you are thirteen and your brother is seventeen. How much do you pay to go to the zoo?

A．9 dollars

B．3 dollars

C．12 dollars

D．6 dollars