皮皮学，免费搜题
登录
搜题
【单选题】
曾经维护过 12 架飞机,年年月月达到 的“四无标准”,从来没有影响过飞行。A.
无故障、无外来物、无缺陷
B.
无老化、无外来物、无缺陷、无锈蚀油垢
C.
无故障、无外来物、无缺陷、无锈蚀油垢
D.
无老化、无外来物、无缺陷、无隐患
拍照语音搜题，微信中搜索"皮皮学"使用
参考答案：
参考解析：
知识点：
皮皮学刷刷变学霸
举一反三
【单选题】Not until very late that afternoon ________ the news that his daughter won the match.
A.
did the father get
B.
the father got
C.
the father did get
D.
got the father
【单选题】The students will put off the match until next week, ______ they won't be so busy.
A.
since
B.
as
C.
when
D.
while
【单选题】You are lucky that the storm ________ until after your tennis match.
A.
hung over
B.
hung up
C.
held up
D.
held off
【单选题】If a pupil doesn't hand in their homework by 8 am, the school calls their parents.
A.
Y
B.
N
C.
NG
【单选题】The football match was really _______. No one was sure which side ________ until the last moment. [ ]
A.
firm; would win
B.
exciting; was winning
C.
tight; would win
D.
close; was about to win
【单选题】The football match was held over until further notice ___the continual rain.
A.
on account of
B.
thanks to
C.
but for
D.
as for
【单选题】Thanks to the heavy rain, the football match _____ until next week.
A.
must put off
B.
must have been put off
C.
has to put off
D.
has to be put off
相关题目：