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【单选题】
将飞机推到滑行道的指定位置后，地面维护人员应立即进行的工作是什么？（）A.
维护人员应立即观察并确定滑行道周围的道面是清洁的，没有冰、雪、油物或其他外来物。
B.
应立即撤消前起落架转弯销。
C.
应立即根据飞机型号确定发动机在地面运行时的危险区。
D.
应立即指示机组实施停留刹车并确认刹车已保持住，在前起落架机轮前后放置好轮挡。
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举一反三
【单选题】What is the passage mainly about?
A.
The largest bookstore is going to accept foreign investment.
B.
Xinhua bookstore is going to have a shareholding reform.
C.
Xinhua bookstore must take actions according to the situation.
D.
Xinhua bookstore has to keep its promise with WTO.
【单选题】According to the passage, seeing and perceiving are______.
A.
the same action going on in our minds
B.
two separate actions going on in different organs
C.
two actions carried on both by the eyes
D.
several actions that take place at different time
【单选题】This passage is mainly about the benefits of developing robots and how people are going to get used to living with robots in their office and home.
A.
Y
B.
N
C.
NG
【单选题】In the passage, the words 'great adventure' may refer to ______.
A.
the journey of going to school
B.
the journey of leaving his family
C.
the journey of living independently
D.
the process of knowing this world
【单选题】It can be inferred from the passage that a bear is going to gain money if ______.
A.
the stock price is rising
B.
the stock price is dropping
C.
the bulls are withdrawing
D.
other bears are losing money
【单选题】According to the passage, the chief purpose of explorers in going to unknown places in the past was ______.
A.
to display their country's military might
B.
to accomplish some significant science
C.
to find new areas for colonization
D.
to pursue commercial and state interests
【简答题】描述炎性浸润期压疮，下列哪项不正确（ ）
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