根据短文大意, 用所给词的适当形式填空。

     In  January  Martha was hired (雇) by the Fernwood Company as a secretary. In March she   1   

(send) to school by the c:ompany to study statistic, and accounting. In April she   2   ( give) a raise

(提升). Just two months later, she was raised to the position of manager of her department.

     In August she   3   (choose) "Employee of the Month". In October she was given another raise. In

November she   4   (invite) to apply for a position in the company's overseas office in Bangkok. And

in December she was given the new job and   5   ( fly) to Thailand to Thailand begin to work.

     Martha certainly   6   (have)a very exciting year. She   7   (can believe) all the wonderful things

that   8   ( happen) to her since she was hired just twelve months ago.

在给定条件下，下列加点的物质在化学反应中完全消耗的是（   ）

A．加热条件下，将1g铝片投入20mL 18．4mol/L的硫酸中

B．常温下，向100mL 3mol/L的硝酸中加入6．4gCu

C．在适当温度和催化剂作用下，用2mol SO₂和1mol O₂合成SO₃

D．实验室用足量的MnO₂与一定量的浓HCl反应制备Cl₂