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【单选题】
弹簧补偿片对舵面进行气动补偿的动作是（）A.
当操纵力达到一定值后，随动补偿片就开始面偏转相反的方向偏转
B.
当操纵力达到一定值后，随动补偿片就开始面偏转相同的方向偏转
C.
只要舵面一偏转，随动补偿片就向相反方向偏转
D.
只要舵面一偏转，随动补偿片就同方向偏转
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【单选题】Choose the best topic sentence for each group of supporting sentences. 1.)___________________________________________________. North Americans send cards for many occasions. They send cards to family ...
A.
Sending cards is very popular in North America.
B.
Birthday cards are the most popular kind of card.
C.
It is important to send thank-you cards.
【单选题】One of the advantages of credit cards is that______.
A.
there are many kinds of credit cards
B.
they are not easy to lose
C.
they can be canceled after being stolen
D.
they are easy to carry with
【单选题】___________________. North Americans send cards for many occasions. They send cards to family and friends on birthdays and holidays. They also send thank-you cards, get well cards, graduation cards, a...
A.
Sending cards is very popular in North America.
B.
Birthday cards are the most popular kind of card.
C.
It is important to send thank-you cards
【判断题】Business cards are cards bearing business information about a company or individual.()
A.
正确
B.
错误
【简答题】第三課宿題.doc
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