精英家教网 > 高中英语 > 题目详情

—What does PM 2.5 mean?

—It's a professional ________ indicating the condition of air pollution.

Aterm Bitem

Cnumber Dmark

 

A

【解析】A 考查名词辨析。句意:“PM 2.5是什么意思?”“它是一个表示空气污染状况的专业术语。”term“术语,符合句意。item“项目number“数字mark“记号

 

练习册系列答案
相关习题

科目:高中英语 来源:2014年高考提高得分点看“面”专题集训:情景交际英语试卷(解析版) 题型:单项填空

(2013·潍坊五校一模)—Have you been wasting time chatting online recently?

—________. I've been studying hard and I need a break.

ANot really BDon't mention it

CNot to worry DNever mind

 

查看答案和解析>>

科目:高中英语 来源:2014年高考提高得分点看“面”专题集训:情态动词英语试卷(解析版) 题型:单项填空

(2013·吉林长春一模)—Please don't tell anybody.

—I ________. I promise.

Acan't Bdon't

Cwon't Dmustn't

 

查看答案和解析>>

科目:高中英语 来源:2014年高考提高得分点看“面”专题集训:形容词、副词和介词英语试卷(解析版) 题型:单项填空

(2013·湖北高考)Don't defend him any more.It's obvious that he ________ destroyed the fence of the garden even without apology.

Aaccidentally BcarelesslyCdeliberately Dclumsily

 

查看答案和解析>>

科目:高中英语 来源:2014年高考提高得分点看“面”专题集训:名词、冠词和代词英语试卷(解析版) 题型:单项填空

—________Beijing of 2012 saw its first snowfall in the month of November.

—Oh, it came as ________ surprise to us.

AThe; the BThe; a

C/; a D/; the

 

查看答案和解析>>

科目:高中英语 来源:2014年高考提高得分点看“面”专题集训:名词、冠词和代词英语试卷(解析版) 题型:单项填空

We all sighed with ________ relief when ________ plane finally landed safely.

Aa; / B/; the

Ca; a Da; the

 

查看答案和解析>>

科目:高中英语 来源:2014年高考提高得分点看“面”专题集训:名词、冠词和代词英语试卷(解析版) 题型:单项填空

(2013·承德二模)I found that she was unhappy and didn't say ________ word all ________ way home.

Aa; the B/; /

Ca; / D/; the

 

查看答案和解析>>

科目:高中英语 来源:2014年高考提高得分点看“面”专题集训:名词、冠词和代词英语试卷(解析版) 题型:单项填空

(2013·辽宁大连第一次双基测试)Mo Yan, a most widely?read writer, takes a complete new ________ to describing China's rural and folk culture.

Away Bapproach

Cpassage Dentry

 

查看答案和解析>>

科目:高中英语 来源:2014年高考提高得分点看“面”专题集训:动词英语试卷(解析版) 题型:单项填空

(2013·福州市高三一模)Our government's plan to fight against air pollution will focus on ________ information and handling PM2.5.

Aexpressing Brepresenting

Cgathering Dacknowledging

 

查看答案和解析>>

同步练习册答案