更多"[单选题]37Doing eye exercises _____ on"的相关试题:
[单选题]37
Doing eye exercises _____ one of the useful ways to protect our eyes.
A.is
B.are
C.were
D./
[简答题]Many people take part in exercises to lose _________and change their body shapes.
[单选题]( ) S1:INFORMATION. Gunnery exercises m area bounded by 51 °57 'N, 1 °24'E and 51 ° 59'N, 1 °37E from 2000UTC September 17 to 0800UTC September 20. Wide breath requested.S2:Thank you for your information. I will keep clear. Q：What is being carried out?
A.Firing exercises
B.Rocket firing exercises
C.Missile exercises
D.Underwater ordnance exercises
[单选题]This book gives all kinds of useful___( )_ on how to repair bikes.
A. sense
B. saving
C. information
D. Comfort
[简答题]Being on one’s own means making one’s own__________.
[单选题]Only one NOTAM shall be cancelled or replaced by a NOTAM.
A.一份航行通告可以取消另一份航行通告。
B.只有一份航行通告可以被取消或代替。
C.只有一种航行通告可以被取消或代替。
D.一份航行通告只能取消或代替一份航行通告。
[单选题]数字“one”表示数字几( )
A.1
B.2
C.3
D.4
[单选题]If one of the three RVR reporting systems has failed, a take-off is authorized，provided the remaining two RVR values are at or above the appropriate take-off minimums.
A.三个跑道视程报告系统中如果有两个出现故障，只要其他一个跑道视程值低于相应的起飞最低标准，也能允许起飞。。
B.三个跑道视程报告系统中如果有两个出现故障，而其他一个跑道视程值不低于相应的起飞最低标准，也能允许起飞。。
C.三个跑道视程报告系统中如果有一个出现故障，而其他两个跑道视程值不低于相应的起飞最低标准，也不允许起飞。。
D.三个跑道视程报告系统中如果有一个出现故障，只要其他两个跑道视程值不低于相应的起飞最低标准，也能允许起飞。
[单选题]When an airport has more than one published approach procedure, they are shown front and back on additional sheets.
A.如果一个机场公布了多个进近程序，将放在增页的正反面。
B.如果一个机场公布了多个运行程序，将放在副页的正反面。
C.如果一个机场公布了多个运行程序，将放在增页的前后。
D.如果一个机场公布了多个进近程序，将放在副页的正反面。
[单选题]In the following four items， which one could be used as DME antenna（
）.
A.A、receive antenna
B.B、transmit antenna
C.C、 antenna combined receive and
D.D、Yagi antenna
[单选题]In the following four items， which one should be the DME secondary parameter of alarm ？（ ）
A.A、Reply delay
B.B、Pulse spacing
C.C、Ident cycle time
D.D、power
[单选题] We have studied English for only one year, ( ) we can perform English short play already.
A. for
B. and
C. yet
D. or
