（本题 8 分）一个角的余角与这个角的3倍互补，求这个角的度数．

《最高人民法院、最高人民检察院关于办理危害矿山生产安全刑事案件具体应用法律若干问题的解释》规定，造成死亡( )人以上，或者重伤10人以上的应当认定为《刑法》规定的“情节特别恶劣”。

A．2

B．3

C．4

D．5

我国以种植业为主的地区主要分布在（　　）

A．湿润、半湿润地区

B．干旱、半干旱地区

C．半湿润、半干旱地区

D．高原地区

（二）上海新星有限责任公司（自理报检单位备案号3100600759）与日本(HAMOJIKA)公司签订外贸合同出口冷冻蔬菜，合同号LV201102FM，信用证结汇，货物生产商为四川绿田蔬菜公司（自理报检单位备案号5100600335）。请根据所提供的材料判断填制《出境货物报检单》有关内容的正误（见报检单上标注的题号）FORM OF DOCUMENTAPY CREDIT: IRREVOCABLE DOCUMENTARY CREDITNUMBER CJ20110326 DATE OF ISSUE 20110120 DATE AND PLACE OF EXPIRY 20110501CHINA APPLICANT: HAMOJIKA CO.LTD NO.1KOMEIROAD,TOKYO,JAPAN BENEFICIARY. SHANGHAI NEW STAR CO.LTD. NO.3 CHANGNING ROAD SHANGHAI,CHINA CURRENCY CODE,AMOUNT CURRENCY:USD(US DOLLOR) AMOUNT:$98.000 AVAH ABLE WTTH.BY ANY BANK IN CHINA ON SIGHT BASIS BY NEGOTIATION PARTIAI SHIPMENT: ALLOWED TRANSSHIPMENT: PROHIBTTED PORTOFLOADING ANY MAN PORT OF CHINA PORT OF DISCHARGE ANY MAIN PORT OF JAPAN LATEST DATE OF SHIPMENT 20110218 DESCRIPTION OF GOODS AND/OP SERVICES: FROZEN POTATO 1000PACKAGES/10000KGS USD9.8PER KG PACKING IN CARTON INNER PLASTIC BAG ACCORDING TO SAEES CONTRACT NO.LV201102FM TRADE TERMS CAND F OSAKA DOCUMENTS REQUIRED 1、SIGNED COMMERCIAL INVOICE IN ONE ORIGINAL AND TOW COPIES 2、PACKING LIST IN ONE ORIGINAL SHOWING WEIGHT AND ME ASUREMENT PER PACKAGE 3、ORIGINAL CLEAN ON BOARD OCEAN BILLS OF LADING MADE OUT TO ORDER OF HAMOOJIKA CO.LTD.MARKED“FREIGHT COLLLECT”4、INSPECTION CERTIFICATE ISSUED AND SIGNED BY HEAD OF SHANGHAIREPRESENTATIVE OFFICE OF HAMOJIKA CO.LYD. 5、QUALITY CERTIFICATE AND PHYTOSANITARY CERTIFICATE ISSUED BY CIQ (THE CONSIGNEE MUST BE HAMOJIKA CO.LTD.) ADDITIONAL CONDITIONS: +INSURANCE TO BE COVERED BY ULTIMATE BUYER +BILLS OF LADING MUST NOT SHOW THISL/C NO.

设二次型

所对应的矩阵为A，且方程组Ax=0有非零解，

将二次型化为标准型，并写出正交变换矩阵．

全弧形连铸机的结晶器至拉矫机等设备均布置在同一半径的（）圆周弧线上。

A.1/2

B.1/3

C.1/4

D.1/6