定期订货制度的特点是（）。A.订货间隔期不变 B.订购货物量不定 C.进行订货补充库

任务型阅读。

     I've got some information for everyone going to Britain next month．As you know,you'll be staying with a family

for two weeks．Now the most important thing is money．You should take about￡30 in cash(现金)and about￡200

in traveler cheques(支票)．Then when you arrive at the airport you'll be met by our host(主人)family．You must

remember to wear a red shirt so the family will find you easily．I've told them to look out for the red shirts．You'll

also need to take with you 4 photos of yourself and,of course,  it's very   important that you take the school letter．

While you are there,if you have any prob1ems,you can call our agent(代理人)．I'll give you her office phone number

now:It's 5804436 and the person to ask for is Mrs．Belcher,that's B-E-L-C-H-E-R．She's in the office from 9-5 every

day．OK! That's everything．Have a good trip．

根据短文内容填写下表,每空词数不限:

复式记账法和单式记账法相比，优点在于（）。

A.复试记账法拥有一套完整的账户体系

B.复式记账法能清楚反映经济业务

C.复式记账法可以对记录的结果进行试算平衡，以检查账户记录是否正确

D.复式记账法的记账对发生的每一项经济业务，只在一个账户中进行登记

国家药品监督管理局成立于1998年，2003年元月在国家局基础上组建国家食品药品监督管理局(StateFoodandDrugAdministration，SFDA)。

关于SDH设备的MSP功能模块，说法正确的是（）。

A.只完成群路设备的故障检测

B.K1、K2字节传递接入点

C.只对MSP组网有效

D.是一个软件功能模块

股票的内在价值即理论价值，也即股票未来收益的期值。 ( )