皮皮学，免费搜题
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【单选题】
下列黄酮中酸性最强的是A.
3-OH黄酮
B.
5-OH黄酮
C.
5，7-二OH黄酮
D.
3'，4'-二OH黄酮
E.
7，4'-二OH黄酮
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参考解析：
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皮皮学刷刷变学霸
举一反三
【单选题】All of the following statements regarding sales returns and allowances are true except:
A.
Sales returns and allowances can include a reduction is the selling price because of damaged merchandise.
B.
Sales returns and allowances do not reflect the possibility of lost future sales.
C.
Sales returns and allowances are recorded in a separate contra-revenue account.
D.
Sales returns and allowances are rarely disclosed in published financial statements.
E.
Sales returns and allowances are closed to the Income Summary account.
【简答题】59-60 题共用题干 患者,男,72岁,因脑出血昏迷,护士为其插管进行管饲饮食。
【单选题】患者,男,72岁,因脑出血昏迷,护士为其插管进行管饲饮食。插管时正确的是:
A.
患者不用取下义齿
B.
将患者头偏向左侧
C.
插入长度为前额发际到下颌的距离
D.
插到15cm时使患者下颌靠近胸骨柄
E.
插入后用胶布将胃管固定在耳后
【单选题】Sales less sales discounts less sales returns and allowances equals:
A.
Net purchases.
B.
Cost of goods sold.
C.
Net sales.
D.
Gross profit.
E.
Net income.
【单选题】All of the following statements regarding sales returns and allowances are true except :
A.
Sales returns and allowances can include a reduction is the selling price because of damaged merchandise.
B.
Sales returns and allowances do not reflect the possibility of lost future sales.
C.
Sales returns and allowances are recorded in a separate contra-revenue account.
D.
Sales returns and allowances are closed to the Income Summary account.
【单选题】患者，男，72岁，因脑出血昏迷，护士为其插管进行管饲饮食。鼻饲后向管内注入少量温开水，目的是
A.
使患者胃内温暖，避免胀气
B.
便于测量和记录灌食量
C.
防止患者恶心、呕吐
D.
防止鼻饲液返流
E.
冲洗胃管、避免堵塞
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