论述水文现象的主要特点及水文学的研究方法

A．属于在投标有效期内撤回投标文件

B．属于放弃中标

C．甲的要求不能被接受，必须继续参加投标

D．甲可向招标人申请退还部分投标保证金

A．初次注册者，可自资格证书签发之日起3年内提出申请，逾期未申请者，须符合本专业继续教育的要求后方可申请初始注册

B．注册有效期满需继续执业的，应当在注册有效期届满30日前申请延期注册

C．对申请初始注册的，省、自治区、直辖市人民政府建设主管部门应当自受理申请之日起，30日内审查完毕并报国务院建设主管部门

D．申请人在申请注册之日前3年内担任项目经理期间，所负责项目发生过重大质量和安全事故，则不予注册

One company exports 100 cases of goods to London. The volume per case is 40cm x 30cm x 20cm, and theOne company exports 100 cases of goods to London. The volume per case is 40cm x 30cm x 20cm, ?and the gross weight is 30kg. ?On the List of Classification of Commodities, goods fall within the scope of class 10, and the freight is based on W/M. On the Freight Tariff（） , the basic freight rate is USD222, with 10% port surcharges. How much is the total freight?

Our company exports a lot of goods to Japan by CIF Tokyo. On April 20, an irrevocable letter of credit at sight was opened by the Bank of Tokyo, Japan. The amount of the L/C is US$50,000 and the shipment date is May. It is also stipulated in the L/C that the Bank of China at the place of seller is the advising bank and the negotiating bank. After receiving the L/C, the Bank of China notified the exporting company on April 22. But on April 30, before goods will shipped, our export company learned that Japanese importers were on the verge of bankruptcy due to financial problems. Q: What should we do in this case （）