低温热水系统系统初始加热前,混凝土填充层的养护期不应少于()。
A、15d
B、18d
C、20d
D、21d
参考答案:D
写作
你校英语外籍教师Emesto and Stasi暑假期间准备在本地开一家西餐小店,要招若干名高中生为无酬打工人员。下面是招聘启事:
Wanted!
4 middle school students
Do service work and act as translators
Healthy and helpful
Contact:wfpub@gmail.com
假定你叫李华,愿意应聘。请写封电子邮件,介绍自己, 并说明你愿意应聘的理由。词数110左右。开头已写好,不计入总词数。
Dear Emesto and Stasi,
I happened to have read your advertisement and decide to apply for the job.
________________________________________________________________________
__________________________________________________________________________
Yours sincerely,
Li Hua
避免和消除国际双重征税,可以实现税收公平原则,减轻跨国投资者的纳税负担。()