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问题 单项选择题 A1型题

哺乳动物长期致癌试验中，动物的选择错误的是（）。

A.在选择物种和品系时，应考虑自发肿瘤率

B.选用性成熟的动物

C.每组动物较一般毒性试验多

D.一般雌雄各半

E.每组动物数一般为雌雄各50只

答案

参考答案：B

阅读理解


Dates: 30th July —8th August
Mon. —Fri. 10.00 am, 7.00 pm.
Sat. —Sun. 10.00 am, 2.00 pm, 7.00 pm.
Place: Esplanade Theatre
Time period:  90 minutes
Ticket prices:  $25 per child or adult (day shows)
$35 per child or adult (evening shows)
Family packages:
$60 for 3 tickets (10.00 am, 2.00 pm shows)
$84 for 3 tickets (7.00 pm shows)
Attentions:
Please arrive early. People who are late for the show will not be allowed to enter until a proper break in the shows.
Children below 3 will not be allowed in.
$

 
Tickets Information


                           
小题1:How many days will the show be on?
A．For 10 days.B．For 12 days. C．For 9 days. D．For 15 days.
小题2:Lucy is 7 years old and she wants to see the show with her parents in the evening. They should pay __________ dollars for the tickets.
A．25B．35 C．60D．84
小题3:Which of the following is NOT mentioned in the passage?
A．The name of the show.B．The name of the director.
C．The telephone number.D．The name of the theatre.
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多项选择题

银行的承诺业务可以分为( )。

A．项目贷款承诺

B．开立信贷证明

C．客户授信额度

D．票据发行便利

E．开具备用信用证
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