拖船通知被拖船舶、排筏注意，应鸣放（）。A.一长声 B.五短声 C.一长两短声 D.

全国的行车时刻是怎样规定的？

Rockwatch一The Best Club on Earth

If you are a young person and interested in geology(地质学），then Rockwatch is the club for you. When you join new memberships receive a Rockwatch Rox file each. This has the information and top tips you will need to start enjoying geology. It’s designed to serve as your own field notebook as well. In it you will find your membership card, full colour nuni-map, thumbs up guide and fact cards.

Rockwatch Magazine: Our lively magazine is mailed to members three times a year. They can read reports and news from around the world, and articles on everything from diamonds to dinosaurs, earthquakes to erosion.

Rockwatch Events: With each magazine you will receive a Rockwatch events calendar. Rocky activities suitable for families are listed and include road shows and guided walks

The Rockwatch Rock Artist:are you an artist, or a photographer? This is your chance to become Rockwatch Rock Artist of the year and win amazing prizes in our annual competition.

Special Offer: Rockwatch members can have specially discounted Wildlife Watch membership. Watch is the big gest environmental action club for young people, with 100 groups across the country. You can join both clubs together by filling in the boxes in the membership form.

小题1:Rockwatch is a magazine telling about things related to

A．geology

B．agriculture

C．politics

D．economics小题2:What activities are specially arranged for Rockwatch member interested in photography?

A．Guided walks.

B．Rocky activities.

C．Yearly competitions.

D．Academic workshops.小题3:When applying for Wildlife Watch membership, a Rockwatch member can enjoy

A．free memhership

B．a special discount

C．a Rock Artist prize

D．guided road shows小题4:You may join both Rockwatch and Wildlife Watch clubs by

A．calling the two clubs

B．applying separately

C．providing references

D．filling in one form

治疗小儿疾病时，一般在诸手法用毕后用下列何种手法结束（）

A、开璇玑法

B、捏脊法

C、按肩井法

D、按弦走搓摩法

E、摇斗肘法

患儿5岁半，左侧下颌第二乳磨牙早失，左侧下颌第一恒磨牙萌出1／3，左侧下颌第一乳磨牙已行根管治疗，并行大面积银汞充填。应做以下哪种处理（）

A.带环丝圈式保持器

B.腭弓式保持器

C.全冠远中导板保持器

D.活动功能保持器

E.全冠丝圈式保持器

开放性骨折的处理，哪项是正确的

A．清创洗刷污染的骨质
B．失去活力的大块肌组织可以部分保留
C．大块的碎骨块可在清洁消毒后放回原处
D．不能切除创口的边缘
E．已污染的骨膜应完全切除