（）应尽量使零件安放位置与其工作位置一致，以便于与装配图直接对照。A、主视图 B、俯视

下列关于氨基酸密码的描述哪一项是错误的（）

A.密码有种属特异性

B.密码阅读有方向性，5′端起始，3′端终止

C.一种氨基酸可有一组以上的密码

D.一组密码只代表一种氨基酸

E.密码具有连续性

有关R-R型多发性硬化治疗的描述不正确的是（）

A.甲泼尼龙可减轻炎症和水肿，目前主张在急性活动期使用，大剂量短程疗法

B.IFN-β具有免疫调节作用，可抑制细胞免疫，是治疗R-R型MS的推荐用药

C.大剂量免疫球蛋白静脉输注（IVIG）对降低R-R型患者复发率有肯定疗效，但最好在复发早期应用

D.硫唑嘌呤口服可降低MS复发率，控制残疾的进展

E.造血干细胞移植治疗只有在其他治疗手段无效的情况下才考虑应用

The Museum of Childhood is Australia’s most comprehensive collection of childhood items including toys , dolls , infant and school material.

Housed in a modern facility , the displays reflect Australian childhood experience over time including play , child rearing , orphanage childhood , and home , school , and war time experience .

There are many hands –on exhibits and education sessions including the famous ‘lesson’ in the 1920s One Teacher Bush Classroom .

The Museum also hosts national touring exhibitions and conducts special activities on Sundays and school holidays（ring for details ）.

Open: Tuesday- Friday 10am – 4pm , Sunday 10am – 4:30 pm , or by arrangement .

Special activities on Sundays as advertise .

Closed: Public holidays ,16 December-18 January .

Location: Edith Cowan University campus , Bay Road , Claremont (take bus 208 and alight at the Bay Road and Princess Road intersection . The Museum is 15 minutes’ walk from Claremont train station )

Tel :(08) 9442 1373 ; Fax ; (08 ) 9442 1314

小题1:On       you can stay at the Museum until half past four .

A．Wednesday

B．Friday

C．Sunday

D．Monday小题2:If you want to attend a special activity , you’d better come on         .

A．Monday

B．Tuesday

C．Saturday

D．Sunday小题3:When you come on December 20th , Friday ,you will find the Museum       .

A．closed

B．holding special activities

C．not closed until 4:00

D．not closed until 4:30小题4:The main purpose of the Museum of Childhood is to         .

A．display toys , dolls , infant and school material

B．reflect Australian childhood experience over time

C．host national touring exhibition

D．tell you the famous ‘lesson’ in the 1920s

试列举铣削的工艺范围（不少于5种）。

幼儿的性别自认大约发生在（）

A.2-3岁

B.3-4岁

C.4-5岁

D.5-6岁