参考答案:A
数列各项分别为0=0/3，1/9=1/（32），2/27=2/（33），1/27=3/（34），4/243=4/（35）。
make/draw a distinction between是固定搭配，表示“对……加以区别”。如：A distinction sho
第23题:[单选题]智能阀门定位器可以接收()信号。
A.数字信号、开关信号
B.模拟信号、开关信号
C.数字信号、模拟信号
参考答案:C
第24题:[单选题]输变电工程施工合同中，（ ）应将其持有的现场地质勘探资料、水文气象资料提供给承包人，并对其准确性负责。
A.A、勘察单位
B.B、监理单位
C.C、发包人
D.D、设计单位
参考答案:C
第25题:[判断题]在半控桥整流带大电感负载不加续流二极管电路中，电路出故障时会出现失控现象
A.正确
B.错误
参考答案:A
第26题:[单选题]小玲性格内向,平时不敢同老师讲话,遇到疑难问题也没有勇气向老师请教。偶有一次,她想杨老师请教,杨老师耐心地解答了问题,并对她的行为及时给予表扬。经过多次这样的教学交往,小玲学会了主动向老师请教问题。杨老师改变小玲行为的方法属于()
A.强化法
B.自控法
C.系统脱敏法
D.放松训练法
参考答案:A
第27题:[多选题]选型引导,主要询问客户的问题是( )。
A.屏幕大小
B.像素的高低
C.是否上网
D.需求功能
参考答案:ABCD
第28题:[单选题]隔离开关的主要作用是( )
A. 断开电流
B. 拉合线路
C. 隔断电源
D. 拉合空母线
参考答案:C
第29题: [简答题]Write an essay of about 120 words on "The Impact of Television on Children". Make references to the following points:
1) Television has become part of our life.
2) The good and bad effects of television on children.
3) How to avoid the bad effects.
参考答案:
The Impact of Television on Children
In recent years, with the development of science and technology, H0 percent of Chinese households have satellite TV, offering as many as E0 or more channels. Undoubtedly, television has become part of our life.
As an important means of entertainment, television has great impact on children. On one hand, it extends their vision and expands their mind. On the other hand, however, as watching TV takes up most of the children’s free time, they have become addicted to it. And the indulging in TV will cause serious problems — they will become more passive in their daily life. As it has already been pointed out by some experts, TV is the easiest way to escape reality.
Therefore, it is high time for parents to organize some leisure activities that might appeal to their children, instead of taking TV as the babysitter. Thus children can enjoy their childhood in some more positive ways.
第30题:[多选题]除日常轮休假外,政府专职消防员依法享受()、()、()、()等国家规定的假期。遇特殊情况,应按程序申请事假、病假。( )
A.带薪年休假
B.婚丧假
C.产假(护理假)
D.哺乳假
参考答案:ABCD
第31题:[单选题]引起亚急性感染性心内膜炎的最常见的致病菌是( )。
A.金黄色葡萄球菌
B.溶血性链球菌
C.草绿色链球菌
D.肺炎球菌
参考答案:C
第32题:[单选题]不得站在（ ）传递土石或放置传土工具；禁止由下部掏挖土层。
A.挡板上
B.撑木上
C.挡板、撑木上
D.脚手架上
E./
F./
G./
H./
参考答案:C
第33题: [单项选择]（）动的开环控制系统是经济型数控系统中最常见的一种，应用范围十分广泛。
参考答案:D
第34题: [填空题]（）塔桅的巡检周期根据安装协议的规定来执行，（）塔桅的巡检周期规定为一年二次。
参考答案:维保期内；维保期外
我来回答:
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