更多"The bird flew upward and dropped th"的相关试题:
[单选题]采用FTTH接入用户，在用户终端安装ONT，ONT侧PON指示灯熄灭，下面ONT的状态描述正确（ ）。
A.ONT的OAM链路已激活
B.ONT正在试图建立连接
C.ONT未被发现和注册
D.ONT网线状态正常
[单项选择]The word bird used to mean "young bird"; today it means "any kind of bird". This is called ______ in terms of semantic change.
A. broadening
B. narrowing
C. meaning shift
D. class shift
[单选题]ONT应根据用户提供的安装条件和用户要求，选择合适的安装位置。对于住宅用户，ONT宜安装在（ ） 。
A.用户桌面
B.与用户家庭布线系统汇聚点同一位置
C.卧室
D.室内任意位置
[单项选择]There is no direct flight, so I flew to Pittsburgh ______ Philadelphi
A. A． amidB. viaC. acrossD. past
[单项选择]The 850 British Airways （ ） flew from Houston to London at its usual time.
A. fly
B. aircraft
C. plane
D. flight
[单项选择]She flew into a rage and her husband sought in vain to ______ her with words of comfort and counsel.
A. quieten
B. lull
C. soothe
D. tranquilize
[单选题]ONT是指（ ）。
A.光网络终端
B.光线路终端
C.光网络单元
D.光分配网
[单选题]ONT指的是（）。
A.A-光网络终端
B.B-光线路终端
C.C-光网络单元
D.D-光分配网
[单项选择]The 850 British Airways______flew from Houston to London at its usual time.
A. plane
B. flight
C. fly
D. aircraft
[单项选择]Her father flew into a ______ when he learned that she wanted to get married before she graduated from the university.
A. feeling
B. emotion
C. sensation
D. passion
[单选题]“Port engine air intake ingested a bird during climbing out.” means a bird was _______ .
A.congested
B.taken in
C.knocked down
D.shut in
[单选题]ONT正常工作的最小接收灵敏度为（ ）
A.-14至-20dbm
B.-24至-27dbm
C.-24至-35dbm
D.-34至-44dbm
[单项选择]When dining ont, you can ask for ______.
A. tea or coffee
B. wine or beer
C. whatever you want
D. whatever is being served
[简答题]EPON的各个ONU/ONT可以动态使用上行带宽。
[多选题]下列华为产品中，适合FTTH组网的ONT有？
A.MA5616
B.HG8245
C.HG850A
D.MA5620G
