输送带打滑的原因包括()。A、输送带张紧力不够 B、装载过多 C、空载 D、

题型:多项选择题

问题:

输送带打滑的原因包括()。

A、输送带张紧力不够

B、装载过多

C、空载

D、严重跑偏,输送带被机架卡住

考点:电厂燃料运行工考试电厂燃料运行工考试题库
题型:多项选择题

已知函数f(x)是定义在R上的奇函数,且当x>0时,f(x)=x(x-2)。

(1)求出函数f(x)的解析式;

(2)画出函数f(x)的图像。

题型:多项选择题

在代收网通话费业务中实交金额为()。

A、话费金额

B、显示金额

C、上次余额

D、话费金额-上次余额

题型:多项选择题

RM80型全断面道碴清筛机挖掘链速度()m/s。

A、2.2~2.5

B、3.5~4

C、2.0~2.2

D、2.6~2.8

题型:多项选择题

以下不属于发动机引气系统活门的是()

A.高级活门

B.PRSOV活门

C.预冷器控制活门

D.混合活门

题型:多项选择题

Low levels of literacy and numeracy have a damaging impact on almost every aspect of adults, according to a survey published yesterday, which offers (1) of a developing underclass. Tests and (2) with hundreds of people born in a week in 1958 graphically illustrated the (3) of educational underachievement. The effects can be seen in unemployment, family (4) , low incomes, depression and social inactivity.

Those who left school at 16 with poor basic skills had been employed for up to four years less than good readers (5) they reached 37. Professor John Bynner, of City University, who carried the research, said that today’s (6) teenagers would even encounter greater problems because the supply of (7) jobs had shrunk.

Almost one fifth of the 1,700 people interviewed for yesterday’s report had poor literacy and almost half (8) with innumeracy, a proportion (9) other surveys for the Basic Skills Agency. Some could not read a child’s book, and most found difficult (10) written instruction.

Poor readers were twice as likely to be a low wage and four times likely to live in a household where partners worked. Women in this (11) were five times as likely to be (12) depressed, (13) both tended to feel they had no control over their lives, and to trust others (14) .

Those who had low literacy and numeracy were seldom (15) in any community organization and less likely than others to (16) in a general election. There had been no (17) in the literary level of (18) reporting problems.

Alan Wells, the agency’s director, said: “ The results emphasize the dangers of developing an underclass people, who were out of work, (19) depressed and often labeled themselves as (20) . There is a circle of marginalization, with the dice against these people and their families.”

5()

A.the time

B.the instant

C.the moment

D.the point

更多题库