（1）盘盘焉，菌菌焉，_____________，_______________

下列哪项不是固定矫治器的组成部分（）

A.带环

B.矫治弓丝

C.托槽

D.末端弯

E.邻间钩

山脉构成我国地形的骨架。对图中①②③④处地形区的判断，正确的是

A、①为黄土高原

B、②为东北平原

C、③为青藏高原

D、④为塔里木盆地

The ABC Bank Irrevocable documentary credit Number: LC123-258866 Date: August 24,1999 Date and place of expiry : October 30, 1999 China Advising bank: Bank of China Beneficiary: China XYZ import and export corp. Applicant: UVW corporation. Amount: USD52,500 (Say U.S Dollars fifty two thousand five hundred only) We hereby issue irrevocable documentary credit which is available with: Any bank By negotiation of beneficiary’s drafts at sight For full invoice value Drawn on the ABC bank Partial shipments: Not allowed Transshipment: Not allowed Shipment from: Shanghai To: Tokyo Japan At the latest: October 15, 1999 Following documents required: +Signed commercial invoice in three copies +Full set of clean on board ocean bill of lading +Weight certificate in two copies Covering: 100 metric tons (5PCT MOL) of XY chemical in drums at USD 500 per M/T. Special instructions: Insurance to be effected by buyer. Instructions to advising bank: Please advise this credit to the beneficiary We hereby undertake that drawers, endorsers in compliance with the terms of this credit will be duly honored upon presentation to the drawee bank. Authorized signature 一、根据上述信用证，回答下列问题

通知行

天南星的药用部位和主成分是（）

A.根茎，树脂类

B.根，甾醇类

C.块茎，生物碱

D.鳞茎，生物碱

E.根，挥发油

2003年国家财政科技拨款额达975.5亿元，比上年增加159.3亿元，增长19.5%，占国财政支出的比重为4.0%。在国家财政科技拨款中，中央财政科技拨款为639.9亿元，比年增长25.2%，占中央财政支出的比重为8.6%；地方财政科技拨款为335.6亿元，比上年增长10%，占地方财政支出的比重为1.9%。分执行部门看,各类企业科技活动经费支出为960.2亿元,比上年增长21.9%;国有独立核算的科研院所科技活动经费支出399.0亿元,比上年增长13.6%;高等学校科技活动经费支出162.3亿元,比上年增长24.4%,高等学校科技活动经费支出占全国总科技活动经费支出的比重为10.5%。各类企业科技活动经费支出占全国总科技活动经费支出的比重比上年增高了1.2个百分点。

与2002年相比，2003年科技活动经费支出绝对增长量最大的执行部门是（）。

A．各类企业

B．国有独立核算的科研院所

C．高等学校

D．无法得知