焊接埋于塑料内弯制义齿支架的常用焊接方法是（）。-我要搜题网

[不定项选择题]共用题干第三篇

Cell Phones: Hang Up or Keep Talking?

Millions of people are using cell phones today.In many places it is actually considered unusual not to
use one.In many countries,cell phones are very popular with young people.They find that the phones are
more than a means of communication一having a mobile phone shows that they are cool and connected.
The explosions around the world in mobile phone use make some health professionals worried.Some
doctors are concerned that in the future many people may suffer health problems from the use of mobile
phones.In England,there has been a serious debate about this issue. Mobile phone companies are worried about
the negative publicity of such ideas. They say that there is no proof that mobile phones are bad for your health.
On the other hand,why do some medical studies show changes in the brain cells of some people who use
mobile phones?Signs of change in the tissues of the brain and head can be detected with modem scanning
（扫描）equipment. In one case , a traveling salesman had to retire at a young age because of serious memory
loss.He couldn't remember even simple tasks.He would often forget the name of his own son.This man used
to talk on his mobile phone for about six hours a day,every day of his working week,for a couple of years.
His family doctor blamed his mobile phone use,but his employer's doctor didn't agree.
What is it that makes mobile phones potentially harmful?The answer is radiation.High-tech machines
can detect very small amounts of radiation from mobile phones.Mobile phone companies agree that there is
some radiation,but they say the amount is too small to worry about.
As the discussion about their safety continues,it appears that it's best to use mobile phones less often.
Use your regular phone if you want to talk for a long time.Use your mobile phone only when you really need
it. Mobile phones can be very useful and convenient,especially in emergencies.In the future,mobile phones
may have a warning label that says they are bad for your health.So for now,it's wise not to use your mobile
phone too often. The word"detected"in Paragraph 3 could be best replaced by_________.
A.cured
B.removed
C.discovered
D.caused

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[单项选择]

Letter A
Dear Rose,
I like your programmes very much. I’m now writing to ask you something about American social customs. My American friends want me to join them in their dinner party. I am very happy and have decided to go, but I’m a little worried about it, too. The social customs in my country are very different from here, so I’m afraid of making mistakes.
Should I bring a present, such as sweets or flowers Should I arrive on time or a little late At the dinner table, how can I know which fork or knife to use How can I let the family know that I’m thankful for their kindness

Wang Lin

Letter B
Dear Wang Lin,
It’s a good idea to bring a small present when you go to a dinner party. Flowers are always nice, or you may bring a bottle of wine if you know that your friends drink it.
You should arrive on time or five to ten minutes late. Don’t get there early. If you’re go
A. a good housewife
B. a TV hostess
C. a member of the dinner party
D. a friend of Wang Lin’s

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[单选题]江苏农信网银客户登陆密码锁定后，可到开户行任意网点办理（）。
A.解锁
B.密码挂失
C.密码重置
D.解绑

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[填空题]在“循环停滞”、“循环倒流”、“自由水面”三种水循环事故中，()流速较低时对水冷壁管危害最大。

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[多项选择]法律通常将自然人分为( )。
A. 完全劳动行为能力人
B. 限制劳动行为能力人
C. 无劳动行为能力人
D. 部分劳动行为能力人
E. 丧失行为能力人

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[单项选择]制附子中具有抗心律失常作用的成分主要是
A. 三七氨酸
B. 三七黄酮
C. 乌头碱
D. 三七皂苷
E. 消旋去甲乌药碱

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[单项选择]某县城外商投资企业，缴纳城市维护建设税的税率为( )。
A. 7%
B. 5%
C. 1%
D. 免税

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[多项选择]下列（）不可以作为合理税收筹划方法。
A. 充分利用费用扣除规定
B. 用发票冲抵费用
C. 以多人名义分领劳务报酬
D. 量采用现金交易

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[单选题]1.34 仅针对总质量大于或等于4500kg的（即中型和重型）货车和货车底盘改装的专项作业车，旅居挂车和总质量大于3500kg的其他挂车，发动机中置的乘用车及所有三轮汽车、危险货物运输车辆的注册登记，才需要查验的项目是_______。
A.轮胎完好情况
B.轮胎规格
C.轮胎花纹深度
D.整备质量

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[简答题]如果由于某媒体不负责任的报道，给你单位造成了负面影响，你作为信息宣传负责人，应该怎么办？

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[单选题]列车制动管定压为600kPa时，最大有效减压量为（）。
A.140kPa
B.150kPa
C.170kPa

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[单选题]下列四条叙述中,有错误的一条是( )。
A. 两个或两个以上的系统交换信息的能力称为兼容性
B. 当软件所处环境(硬件/支持软件)发生变化时,这个软件还能发挥原有的功能,则称该软件为兼容软件
C. 不需调整或仅需少量调整即可用于多种系统的硬件部件,称为兼容硬件
D. 著名计算机厂家生产的计算机称为兼容机

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[单选题] 允许速度大于160km/h曲线地段,未被平衡过超高,个别特殊下不得大于()。
A.50mm
B.60mm
C.70mm
D.90mm

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[多选题] 根据《配电安规》,电动工具使用前,应( )。
A.检查确认电线、接地完好
B.检查确认电线、接零完好
C.检查确认工具的金属外壳可靠接地
D.检查外观光滑

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[判断题]充装站生产岗位工人必须经过专业培训和考核并持有上岗证书。
A.正确
B.错误

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[填空题]在电容器上作业前,要（） ,方可开始工作。

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[多选题]变压器外部故障主要有(____)。
A.冷却系统故障
B.分接开关及传动装置及其控制设备故障
C.变压器引线及其附属开关刀闸故障
D.电网其他元件故障开关拒动导致变压器后备保护动作。

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[单项选择]患者女，12岁，因“面色苍白1年，发热伴皮肤紫癜7d”来诊。血常规：Hb67g/L，WBC1.2×10⁹/L，N0.305，PLT13×10⁹/L。多次骨髓穿刺结果：骨髓稀释，有核细胞少。为明确诊断，应进行的检查是（）
A. Coomb试验
B. 全身骨显像
C. 骨髓活检
D. 染色体分析
E. 酸溶血试验

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[单选题]1927 年 10 月,《中国青年》被迫停刊,团中央于当年 11 月 7 日又出版机关刊物,出版 5 期后,于 1928 年 10 月再度改名。 ( )
A.《无产青年》
B.《列宁青年》
C.《青年实话》
D.《时刻准备着》

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[单项选择]

W: Good morning, can I help you
M: Yes, please. (7)I’d like to cash two traveler’s cheques.
W: Could you sign your name here please
M: Sure.
W: Thank you. How would you like your money
M: In hundreds and fifties, please.
W: Ok. It’s 1,660 yuan, here you are.
M: Thanks. May I know the exchange rate
W: Well, at the moment the exchange rate between US dollars and RMB is 1: 8.3. you give me two ＄100 cheques; here is 1,660 yuan. Is that right
M: Yes, thanks.

Where does the conversation most probably take place（　）.
A. In a supermarket.
B. In a bank.
C. In an office.
D. In a stock market.

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[多项选择]《1932年华沙－牛津规则》对CIF贸易术语做了详细解释，其内容包括（）
A. CIF合同的性质、特点
B. 买卖双方所承担风险划分
C. 责任划分D.费用划分
D. 所有权转移方式

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[填空题]朗伯-比尔定律表明；当（）和（）一定时，溶液的吸光度与液层的厚度成正比。

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[单选题]二级目录05代表（）
A.供风制动系统
B.空调系统
C.主电路系统
D.辅助系统

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[单选题]低筋面粉的湿面筋值为( )。
A.40%以下
B.30%以下
C.25%以下
D.15%以下

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[单选题]在全电路中，负载电阻为R，电源内阻为r，电源电动势为E，那么负载获得最大功率的条件是（）。
A.R>r
B.RC.R=r

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