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【简答题】
三角函数y=sinx的定义域是( );y=cosx的定义域是( );y=tanx的定义域是( )。
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皮皮学刷刷变学霸
举一反三
【单选题】After preparing and posting the closing entries to close revenues (and gains) and expenses (and losses), the income summary account has a debit balance of $33,000. The entry to close the income summar...
A.
a debit of $33,000 to owner withdrawals
B.
a credit of $33,000 to owner withdrawals
C.
a debit of $33,000 to income summary
D.
a debit of $33,000 to owner capital
【单选题】After preparing and posting the closing entries to close revenues (and gains) and expenses (and losses), the income summary account has a debit balance of $33,000. The entry to close the income summar...
A.
a debit of $33,000 to owner withdrawals.
B.
a credit of $33,000 to owner withdrawals.
C.
a debit of $33,000 to income summary.
D.
a debit of $33,000 to owner capital.
E.
a credit of $33,000 to owner capital.
【单选题】有关齿状线解剖意义的描述中，错误的是（ ）。
A.
齿状线以上是粘膜，以下是皮肤
B.
齿状线以上发生的痔是内痔，以下的痔是外痔
C.
齿状线以上由直肠上、下动脉供血，以下由肛管动脉供应
D.
齿状线以上淋巴引流人骼外淋巴结，以下入腹股沟淋巴结
E.
齿状线以上受植物神经支配，以下属荫部内神经支配
【单选题】J. Awn, the proprietor of Awn Services, withdrew $8,700 from the business during the current year. The entry to close the withdrawals account at the end of the year is:
A.
Debit J. Awn, Withdrawals $8,700; credit Cash, $8,700
B.
Debit J. Awn, Capital $8,700; credit J. Awn, Withdrawals $8,700
C.
Debit J. Awn, Withdrawals $8,700; credit J. Awn, Capital $8,700
D.
Debit Income Summary $8,700; credit J. Awn, Capital $8,700
【单选题】关于齿状线的解剖意义，下列叙述错误的是
A.
齿状线以上是黏膜，以下是皮肤
B.
齿状线以上由直肠上动脉供应，齿状线以下为直肠下动脉供应
C.
齿状线以上静脉回流到门静脉，齿状线以下回流到体静脉
D.
齿状线以上由植物神经支配，齿状线以下为阴部内神经支配
E.
以上均是
【单选题】After preparing and posting the closing entries to close revenues (and gains) and expenses (and losses), the income summary account has a debit balance of $33,000. The entry to close the income summar...
A.
a debit of $33,000 to owner withdrawals.
B.
a credit of $33,000 to owner withdrawals.
C.
a debit of $33,000 to owner capital.
D.
a credit of $33,000 to owner capital.
【单选题】有关齿状线解剖意义的描述中，错误的是
A.
齿状线以上是黏膜，以下是皮肤
B.
齿状线以上发生的痔是内痔，以下的痔是外痔
C.
齿状线以上由直肠上、下动脉供血，以下由肛管动脉供血
D.
齿状线以上淋巴引流入髂外淋巴结，以下入腹股沟淋巴结
E.
齿状线以上受自主神经支配，以下属阴部内神经支配
【单选题】有关齿状线解剖意义的描述，错误的是
A.
齿状线以上是黏膜，以下是皮肤
B.
齿状线以上发生的痔是内痔，以下发生的痔是外痔
C.
齿状线以上由直肠上、下动脉及骶正中动脉供血，以下由肛管动脉供应
D.
齿状线以上淋巴引流入髂外淋巴结，以下入腹股沟淋巴结
E.
齿状线以上受植物神经支配，以下受阴部内神经支配
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