我国现行的《城市区域环境噪声标准》(GB 3096—93)中0类区的昼间标准为50d

题型:单项选择题

问题:

我国现行的《城市区域环境噪声标准》(GB 3096—93)中0类区的昼间标准为50dB,不同类别噪声标准昼间标准级差为( )dB。

A.3
B.5
C.10
D.不等

考点:环境影响评价工程师环境影响评价技术导则与标准环境影响评价技术导则与标准
题型:单项选择题

()以外的各种保险均属于财产保险。

A.人寿保险

B.责任保险

C.健康保险

D.人身保险

题型:单项选择题

阅读下面短文,从短文后各题所给的四个选项(ABCD)中,选出可以填入空白的最佳答案,并在答题卡上将该选项涂黑。

In order to separate loving parents from their freshman sons, Morehouse College in Atlanta has held a/an ___36_____"Parting Ceremony."

When University of Minnesota freshmen ____37_____ at the end of this month, parental separation will be a little trickier: mothers and fathers will be ___38_____ to a reception elsewhere ___39_____ students can meet their roommates and talk about dorm room space -- _____40_____ adult breaking in.

In the latest wave in which superinvolved parents ____41_____ their children to college, universities are ____42_____activities ____43_____to speed the separation. In the age of MSN and twice-daily texts home, ___44______colleges are urging "sticky parents" to leave sooner so students can ___45____independence.

Grinnell College here, like others, has found it ____46____ to make it clear when parents _____47__ say goodbye. After computer printers and bags had been carried to dorm rooms, everyone gathered in the gymnasium, students on one side, _____48____on the other.

Shortly____49______, mothers and fathers were urged to leave campus.

Moving their students in usually takes a few hours. Moving on? Most deans can tell _____50_____of parents who hang around campus for days. At Colgate University in Hamilton, N.Y. "We recognize it's a ____51______ day for families," Beverly Low, the dean(学监) of first-year students said.___52___, during various parent meetings on Colgate's move-in day, Ms. Low and other officials plan to tell the parents ____53_____ that "activities for the class of freshmen begin at 4 on time, so parents should leave before 4." she said.

Formal departure ceremonies are unusual __54___ growing in popularity, said Joyce Holl, head of the National Orientation Directors Association. A more common method is for colleges to limit the hour for last hugs.____55_____, the parents of Princeton freshmen learn from the move-in schedule, "the rest events are intended for students only."

小题1:A  formal                 B  informal                 C  casual              D  grand  

小题2:A  move out              B  move in                  C  move around    D  graduate

小题3:A  sent                     B  driven                    C  invited             D  called on

小题4:A  so                        B  but                         C  still                 D  yet

小题5:A  with                     B  as                           C  where              D  without 

小题6:A  rescue                  B  deliver                    C  bring               D  release

小题7:A  running out          B  taking out               C  carrying out     D  picking out

小题8:A  wanted                 B  meant                     C  devoted           D  prepared

小题9:A  in which               B  which                     C  how                D  where  

小题10:A  form                  B  create                     C  increase           D  develop

小题11:A  necessary            B  unimportant            C  useless             D  difficult  

小题12:A  will                    B  need                       C  must                D  would  

小题13:A  teachers              B  police                     C  professors        D  parents

小题14:A  before                B  after                       C  later                D  passed

小题15:A  news                  B  comments               C  stories             D  shadows

小题16:A  little                   B  huge                       C  long                D  large  

小题17:A  Still                   B  Therefore                C  Thus                D  Whereas

小题18:A  rudely                B  directly                   C  conveniently    D  hardly   

小题19:A  and                    B  but                         C  however          D  so

小题20:A  For the time beingB  For a long time      C  For example     D  For a change

题型:单项选择题

研磨工具是保证研磨工件几何形状正确的主要因素,常用的研磨工具有()。

A.平板

B.环

C.棒

D.球

题型:单项选择题

我们从吕日周这一事例中可以看出某种现实的端倪:在某些地方,官员与普通民众之间确实已经开始出现“裂缝”和冷漠,而某些政府部门内部特权阶层意识亦已显现,以至于关心民众疾苦的官员,甚至会被视为“另类”和“做秀”。上文的主题思想是( )

A.在国家政府部门出现了高高在上的特权阶层

B.政府部门的官员们经常会“做秀”般地去关心民众疾苦

C.这些“另类”官员有自己的政治动机--捞取政治资本

D.某些官员和普通民众之间的距离越来越大

题型:单项选择题

线材也要经过矫直工序。

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