乳牙或恒牙早失的临床表现不包括() A.下乳尖牙早,失常造成前牙深覆及中线偏移 B.

题型:单项选择题 A1/A2型题

问题:

乳牙或恒牙早失的临床表现不包括()

A.下乳尖牙早,失常造成前牙深覆及中线偏移

B.第二乳磨牙早失后,致后继第一恒磨牙前移

C.多数乳磨牙早失,造成前伸下颌咀嚼习惯,单侧后牙反或前牙反

D.恒上切牙早失,致上牙中线丧失

E.第一恒磨牙早失,邻牙向缺隙倾斜,造成单侧咀嚼

考点:重庆住院医师口腔科Ⅰ阶段口腔正畸学口腔正畸学题库
题型:单项选择题 A1/A2型题

如图,电源电压为6V且保持不变,电阻R2=30Ω.当开关S断开时,电流表的示数为0.3A.求:

(1)电阻R1的阻值;

(2)开关S闭合时电流表的示数;

(3)开关S闭合时R2上消耗的功率.

题型:单项选择题 A1/A2型题

关于建筑法律、行政法规关于人身意外伤害保险的规定,说法有误的是( )。

A.意外伤害保险的投保人是施工单位

B.意外伤害保险的被保险人或者受益人是从事危险作业的职工

C.意外伤害保险是法定的非强制性保险

D.意外伤害保险期限与建设工程工期相同

题型:单项选择题 A1/A2型题

阅读理解。

     City buses are white and blue. Please board at the front door and pay the fare as you get on.

The fare per ride is $1.50 for adults and $1.00 for senior citizens. The fare may be paid by cash,

bus pass or multiple passes. Please pay the exact amount directly into the slot at the top of the far

e box. Remember that bills are not accepted and drivers cannot make change for riders.

     When you wish to get off the bus, please notify the driver in advance by pressing one of the

buttons provided throughout the bus for this purpose. The bus may pass bus stops without

stopping if no one is getting off or waiting to get on.

     There are five subway lines in the city. The fare is set at five rates from $2.00 to $3.50 according

to the number of predetermined "price zones" traveled. To purchase the appropriate ticket, please

check the fare on the boards installed above the ticket-selling machines in each subway station.

     Pass through the automated ticket gates by inserting the ticket into the slot. When getting off the

subway at a station beyond the validity of the ticket, pay the additional fare at a fare-adjustment

machine.

1. According to the information, all bus riders should _________.

A. exit from the back door        

B. let the driver know in advance if they want to get off

C. ask the driver for change      

D. pay according to a "price zone"

2. What is the lowest cost of a subway ride for an adult?

A. $1.00.          

B. $1.50 .          

C. $2.00.      

D. $3.50.

3. How can a rider determine the fare of a subway ride?

A. It is automatically determined.              

B. It is always $2.00

C. Fare-adjustment machines determine the fare.  

D. All fares are posted

4. This text mainly tells us _________.

A. how to use city buses and subways            

B. how convenient city buses and subways are

C. how to pay the fare for city buses and subways

D. how well city buses and subways are equipped

题型:单项选择题 A1/A2型题

目前开展的代理类业务主要有()业务等。

A、代理金融理财

B、代理黄金交易业务

C、资金托管

D、代理保险业务

题型:单项选择题 A1/A2型题

运输业管理体制

更多题库