连铸坯中非金属夹杂物按来源可分为内生夹杂和外来夹杂。

Questions 9-15
· Look at the notes below.
· Some information is missing.
· You will hear two people discussing an invoice.
· For each question (9-15), fill in the missing information in the numbered space using a word, numbers or letters.
· After you have listened once, replay the recording.

Invoice number: (9) ______
Invoice date: (10) ______ February 2002
Photocopy paper: (11) ______ boxes, ￡ 9.94 for each
V. A. T. at (12) ______ %
Total to pay: (13) ______
To reach us by:17th March 2002
Contact name: (14) Marjorie ______
Telephone No.:(15) ______

一个水分子是由2个氢原子和1个氧原子组成的。

CTA(CTangiography)

肾虚型胎动不安的代表方剂为（）

A.寿胎丸

B.胎元饮

C.保阴煎

D.肾气丸

E.两地汤

《行政许可法》对行政许可收费作出了明确具体规定。请问下列正确的是（）

A、行政许可原则上不收费，除法律、法规规定可以收费的除外

B、行政许可原则上不收费，除法律、行政法规规定可以收费的除外

C、行政许可原则上不收费，除法律、法规、规章规定可以收费的除外