题目内容

亚硝酸盐中毒是由于妨碍了( )。

A. 血红蛋白携氧
B. 组织细胞呼吸
C. 肺泡换气
D. 泌尿系统排尿

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Vocabulary & StructureDirections: In this section, there are 10 incomplete statements. You are required to complete each one by deciding on the most appropriate word or words from the 4 choices marked A, B, C and D.When I am awaybusiness, I contact my office every day by email.

A. with
B. of
C. on
D. to

The decision about such a big project can not be madeeach memeber of the board agrees.

A. if
B. unless
C. though
D. as

No sooner than I realised I'd left the document at home.

A. have we sat down
B. had we sat down
C. we had sat down
D. we sat down

Directions: There are 10 incomplete statements here. Fill in each blank with the proper form of the words given in the brackets.1. All the staff of the company(work)_______ very hard last year and 15% more profit was gained.2. Among the major products(import)by Malaysia were iron and steel, and medical instruments.3. Business and professional services(list)_ in the Yellow Pages.4. Nokia's mobile phone market share in China(fall)_ to its lowest level since 2005.5. To her(disappoint) , the girl was denied the job she had applied for.6. While (study) at college, he got to know the professor and learned a lot from him.7. Communication via eye contact seems to be (particular)important in some cases.8. As more customers will attend the meeting, we need to prepare some (addition) chairs.9.These appartments allow older people to keep their (independent) , while having medical care available.10. Many people find telephone interviews (difficult)than face-to-face interviews.