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【单选题】
高温易被破坏分解的植物激素是
A.
IBA
B.
GA
C.
NAA
D.
BA
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参考答案：
举一反三
【单选题】负责飞机客舱的乘务服务物品的配发和机场及地面的各项服务的是( )
A.
广告和市场部门
B.
销售部门
C.
运输服务部门
D.
饮食服务部门
查看完整题目与答案
【单选题】No person may serve as the person in charge of both the vessel and the facility during oil transfer operations unless ______.
A.
there is ready access between the two
B.
the vessel and facility are immediately adjacent
C.
the person in charge has a rapid means of transportation between the two
D.
the Captain of the Port authorizes such procedure
查看完整题目与答案
【单选题】The manager came over and asked the customer how .
A.
did the quarrel came about
B.
the quarrel had come about
C.
had the quarrel come about
D.
had the quarrel came about
查看完整题目与答案
【简答题】A．The person who has the strong will. B．The person who has attended the school. C．The person who can pass the test of arithmetic. D．The person who can work at computers quickly after a two-day t...
查看完整题目与答案
【单选题】图示两均质细杆OA与AB铰接于A,在图示位置时,OA杆绕固定轴O转动的角速度为ω,AB杆相对于OA杆的角速度亦为ω,O、A、B三点位于同一铅直线上。已知OA和AB两杆的质量均为m,它们的长度均为L,则该系统此时对O轴的动量矩大小为I O 为
A.
I O =21mL 2 ω/6;
B.
I O =11mL 2 ω/4;
C.
I O =8mL 2 ω/3;
D.
I O =5mL 2 ω/3.
查看完整题目与答案
【判断题】物质文明和精神文明的提高对旅游审美需求的促进。
A.
正确
B.
错误
查看完整题目与答案
【单选题】图示两均质细杆 OA 与 AB 铰接于 A ,在图示位置时, OA 杆绕固定轴 O 转动的角速度为 w , AB 杆相对于 OA 杆的角速度亦为 w , O 、 A 、 B 三点位于同一铅直线上。已知 OA 和 AB 两杆的质量均为 m ,它们的长度均为 L ,则该系统此时对 O 轴的动量矩大小 L O 为 ( ) 。
A.
L O =21 mL 2 w /6
B.
L O =11 mL 2 w /4
C.
L O =8 mL 2 w /3
D.
L O =5 mL 2 w /3
查看完整题目与答案
【单选题】Who may serve as the person in charge of loading and discharge operations aboard a tanker ________．
A.
A licensed officer who holds a tankerman-PIC endorsement
B.
The pumpman who has a tankerman assistant endorsement
C.
The Master
D.
The bosun
查看完整题目与答案
【单选题】The manager promised to have my complaint ______.
A.
looked through
B.
looked into
C.
looked over
D.
looked after
查看完整题目与答案
【单选题】图示两均质细杆OA与AB铰接于A，在图示位置时，OA杆绕固定轴O转动的角速度为ω，AB杆相对于OA杆的角速度亦为ω，O、A、B三点位于同一铅直线上。已知OA和AB两杆的质量均为m，它们的长度均为L，则该系统此时对O轴的动量矩大小为G O 为（）
A.
A
B.
B
C.
C
D.
D
查看完整题目与答案
相关题目：
【单选题】负责飞机客舱的乘务服务物品的配发和机场及地面的各项服务的是( )
A.
广告和市场部门
B.
销售部门
C.
运输服务部门
D.
饮食服务部门
查看完整题目与答案
【单选题】No person may serve as the person in charge of both the vessel and the facility during oil transfer operations unless ______.
A.
there is ready access between the two
B.
the vessel and facility are immediately adjacent
C.
the person in charge has a rapid means of transportation between the two
D.
the Captain of the Port authorizes such procedure
查看完整题目与答案
【单选题】The manager came over and asked the customer how .
A.
did the quarrel came about
B.
the quarrel had come about
C.
had the quarrel come about
D.
had the quarrel came about
查看完整题目与答案
【简答题】A．The person who has the strong will. B．The person who has attended the school. C．The person who can pass the test of arithmetic. D．The person who can work at computers quickly after a two-day t...
查看完整题目与答案
【单选题】图示两均质细杆OA与AB铰接于A,在图示位置时,OA杆绕固定轴O转动的角速度为ω,AB杆相对于OA杆的角速度亦为ω,O、A、B三点位于同一铅直线上。已知OA和AB两杆的质量均为m,它们的长度均为L,则该系统此时对O轴的动量矩大小为I O 为
A.
I O =21mL 2 ω/6;
B.
I O =11mL 2 ω/4;
C.
I O =8mL 2 ω/3;
D.
I O =5mL 2 ω/3.
查看完整题目与答案
【判断题】物质文明和精神文明的提高对旅游审美需求的促进。
A.
正确
B.
错误
查看完整题目与答案
【单选题】图示两均质细杆 OA 与 AB 铰接于 A ,在图示位置时, OA 杆绕固定轴 O 转动的角速度为 w , AB 杆相对于 OA 杆的角速度亦为 w , O 、 A 、 B 三点位于同一铅直线上。已知 OA 和 AB 两杆的质量均为 m ,它们的长度均为 L ,则该系统此时对 O 轴的动量矩大小 L O 为 ( ) 。
A.
L O =21 mL 2 w /6
B.
L O =11 mL 2 w /4
C.
L O =8 mL 2 w /3
D.
L O =5 mL 2 w /3
查看完整题目与答案
【单选题】Who may serve as the person in charge of loading and discharge operations aboard a tanker ________．
A.
A licensed officer who holds a tankerman-PIC endorsement
B.
The pumpman who has a tankerman assistant endorsement
C.
The Master
D.
The bosun
查看完整题目与答案
【单选题】The manager promised to have my complaint ______.
A.
looked through
B.
looked into
C.
looked over
D.
looked after
查看完整题目与答案
【单选题】图示两均质细杆OA与AB铰接于A，在图示位置时，OA杆绕固定轴O转动的角速度为ω，AB杆相对于OA杆的角速度亦为ω，O、A、B三点位于同一铅直线上。已知OA和AB两杆的质量均为m，它们的长度均为L，则该系统此时对O轴的动量矩大小为G O 为（）
A.
A
B.
B
C.
C
D.
D
查看完整题目与答案
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