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【简答题】
求下列函数的定义域:(3) y=ln(3x+1)
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反馈参考答案：
举一反三
【单选题】吸气性呼吸困难时“三凹征”指
A.
胸骨上窝、肋间隙、锁骨上窝
B.
胸骨上窝、肋间隙、锁骨下窝
C.
胸骨上窝、肋间隙、胸骨下窝
D.
胸骨上窝、 肋间隙、锁骨上窝
E.
胸骨上窝、肩胛上窝、锁骨上窝
【简答题】Hearing-impaired visitors can request signing interpretation service from the Visitors Office.
【多选题】There are two types of domestic visitors:
A.
Domestic tourists
B.
Overseas visitors
C.
Domestic one-day visitors
D.
Migrants
【单选题】The number of visitors_________ small today, but a number of visitors here yesterday. [ ]
A.
is; were
B.
are; was
C.
is; is
D.
are; are
【单选题】吸气性呼吸困难时“三凹征”指
A.
胸骨上窝,肋间隙,锁骨上窝
B.
胸骨上窝,肋间隙,锁骨下窝
C.
胸骨上窝,肋间隙,胸骨下窝
D.
锁骨下窝,肋间隙,锁骨上窝
E.
胸骨上窝,肩胛窝,锁骨上窝
【多选题】There are two types of domestic visitors:
A.
Overseas visitors
B.
Migrants
C.
Domestic tourists
D.
Domestic one-day visitors
【简答题】A．Visitors to an art museum in Kansas City. B．Visitors to a university museum. C．Visitors to an exhibit of paintings. D．Visitors to an exhibit of photos.
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