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【多选题】
下列结构中属于肺的是( )。A.
尖叶
B.
心叶
C.
膈叶
D.
副叶
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反馈参考答案：
举一反三
【单选题】The two brothers look so much _______ that we can’t _______ one fromthe other.
A.
familiar separate
B.
familiar tell
C.
alike differ
D.
alike distinguish
【简答题】The two brothers look so much _______ that we can’t _______ one from the other. A. familiar separate B. familiar tell C. alike differ D. alike distinguish
【单选题】51单片机串行通信引脚有数据接收端RXD和数据发送端TXD,它们分别对应的引脚是。
A.
P3.0、P3.1
B.
P3.2、P3.3
C.
P3.4、P3.5
D.
P3.6、P3.7
【简答题】上交实验报告
【简答题】Why should a firm be cautious about entering a licensing agreement?
【单选题】Why are the two brothers and the sister of Wilbur and Orville mentioned in paragraph 5?
A.
Because they all had more education.
B.
To illustrate that the abilities and personal qualities of Wilbur and Orville had enable them to achieve their goals without college education.
C.
To illustrate why it was not necessary for them to go to college.
D.
To contrast the achievements of different family members.
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