获得证券登记结算公司授权的开户代理机构可以直接办理证券账户注册资料变更手续。()

＊Teachers Wanted

Are you a teacher? Do you like children? Can you help them with Chinese on weekends? Come to join us. Call John at 378-5788 for more information(信息)．

＊Ping-pong Club

Do you like to play ping-pong? Do you want to play ping-pong well? Mr. Cai can teach you. You can come here every Saturday afternoon.

Tel: 368-5778

Add: Room 212 in School's P.E. Building.

＊Learning Japanese

Can you speak Japanese? Do you want to learn Japanese? Please join the Japanese Club now. Call Jane at 345-1238．

Time: 8:30 a.m.-l1:00 a.m. (from Monday to Friday)

＊Musicians Wanted

Are you a music lovers? Can you sing or dance? Can you play any instruments(乐器)?

Welcome to our Star Rock Band.

Please call Tina at 898-3443 or send an e-mail to music@163.com.

小题1: Gina is a good teacher and she wants to find a job. Who may offer(提供)her a job?

A．Tina.

B．John.

C．Jane.

D．Mr. Cai.小题2:You can be in the Japanese club for      to learn Japanese from Monday to Friday.

A．2.5 hours．

B．3.5 hours．

C．4 days.

D．5 days.小题3: If you are a music lover, you want to be a dancer, how can you contact (联系) them?

A．Go to Room 212 in School's P.E. Building.

B．Call Jane.

C．Send an e-mail to music@163.com.

D．Call 368-5778.小题4:. Who can teach you to play ping-pong?

A．Tina.

B．John.

C．Jane.

D．Mr. Cai.小题5: Now Vera can speak Japanese well and she teaches children Japanese．She works from Monday to Friday. Can you guess (猜)where she works?

A．The ping一pong Club.

B．The star Rock Band.

C．The Teacher Club.

D．The Japanese Club.

电影《夜袭》讲述了1937年10月19日，八路军一二九师第七六九团第三营营长赵崇德率部夜袭阳明堡日军飞机场，取得了炸毁日机24架、击毙鬼子一百余人的辉煌战果。被称为中国军队第一例步对空的范例。该战例发生在(   )

A．太原会战

B．百团大战

C．枣宜会战

D．豫湘桂战役

疱疹样口炎的特征是（）

A.一般1~5个溃疡，直径2~4mm，多发生于唇颊粘膜

B.多为单个大溃疡，直径超过1cm，多发于颊，软腭等处

C.数目多少，直径大小变化很大，可见明显的局部刺激因素

D.溃疡单发，病程长，呈潜掘状

E.多发溃疡可达几十个，直径1~2mm，亦可融合成片，多见于口底、舌腹粘膜

联轴器是的作用就是把水泵轴与（）轴联结起来一同旋转。

设f(x)在(-∞，+∞)内是可导的奇函数，则下列函数中是奇函数的是______。

A．sinf’(x)
B．

C．

D．