更多"Children under fifteen are not perm"的相关试题:
[单项选择]Only children under five are excepted from this survey.（）
A. 这次调查仅仅不包括五岁以下的儿童。
B. 只有不满五岁的儿童不在此次调查范围之内。
C. 五岁以上的孩子都在此次调查范围之外。
D. 这次调查只包括五岁以上的孩子。
[单项选择]A fifteen-pound CO2 extinguisher（）.
A. contains 15 pounds of CO2
B. weighs 15 pounds when full of CO2
C. has 15 pounds of pressure at the nozzle
D. weighs 15 pounds when empty
[单项选择]su - dbuser与su dbuser命令的区别为（）。
A. 执行完su - dbuser命令后，当前目录为dbuser用户的家目录，环境变量为dbuser用户的环境变量；执行完su dbuser命令后，当前目录不变，环境变量不变
B. 执行完su dbuser命令后，当前目录为dbuser用户的家目录，环境变量为dbuser用户的环境变量；执行完su - dbuser命令后，当前目录不变，环境变量不变
C. 以上都不对
[单项选择]A “fifteen-pound” CO2 extinguisher is so called because（）.
A. there are fifteen pounds of CO2 in the container
B. the container，when full，weighs fifteen pounds
C. the pressure at the discharge nozzle is l5 psi
D. the empty container weighs fifteen pounds
[单项选择]Which term describes piston pins having bearing surfaces in both the piston bosses and connecting rod eye?（）
A. Stationary
B. Full floating
C. Semi-floating
D. Free rolling
[单项选择]对试吃盘（）按“三清池清洗法SU#1”进行清洁消毒。更换不同类别食品时，应在更换时按SU#1方法进行清洁消毒。
A. 每1小时
B. 每2小时
C. 每4小时
D. 每天
[简答题]玉米中非甜玉米（Su）为甜玉米（su）的显性，今有一粒非甜种子，试问用什么方法证明它是非甜纯合体（SuSu）或非甜杂合体（Susu）？
[单项选择]Under international rules（）.
A. all vessels must carry an after range light
B. vessels less than 50 meters in length need not carry an after range light
C. vessels stopped dead in the water should turn off their range lights
D. vessels over 20 meters in length must carry both range lights from sunset to sunrise
[单项选择]Under International Rules（）.
A. all vessels must carry an after range light
B. vessels less than 50 meters in length need not carry an after range light
C. vessels stopped dead in the water should turn off their range lights
D. vessels over 20 meters in length must carry both range lights from sunset to sunrise
[多项选择]Which of the following routing protocols do NOT support VLSM (variable length subnet masking)?（）
A. RIPv1
B. IGRP
C. EIGRP
D. OSPF
E. IS-IS
F. RIPv2
[单项选择]When the water produced from most evaporator is supplied for drinking purpose, it must be treated to ensure it is biologically pure and （）.
A. slightly acidic
B. slightly alkaline
C. no salty
D. slightly bitter
[单项选择]Which of the listed extinguishing agents is NOT suitable for fighting a liquid paint fire?（）
A. Dry chemical
B. Foam
C. Water
D. Carbon dioxide
[单项选择]Securing cargo by running timbers from an upper support down to the cargo，either vertically or at an angle，is called（）.
A. braces
B. dunnage
C. shores
D. toms
[单项选择]The irregular black line around a charted light such as Race Rock Light indicates that it is （）.
A. unwatched
B. surrounded by riprap
C. a minor light
D. constructed on an artificial island
[多项选择]Under which two circumstances should Spanning Tree Protocol be implemented?（）
A. to ensure a loop-free topology
B. to protect against user-side loops
C. when a VLAN spans access layer switches
D. for the most deterministic and highly available network topology
E. because of the risk of lost connectivity without Spanning Tree Protocol
[单项选择]Under the provisions of applicable international conventions, the officers to conduct port state control inspection must be duly authorized by （）.
A. the company
B. the Government of the country
C. the organization recognized by the Administration
D. the IMO
[单项选择]When under maneouvring conditions with the machinery being manually operated the control unit or console should be （）
A. automatically controlled
B. continuously manned
C. off power
D. none of the above is true
