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【单选题】
，42岁，因“持续中上腹疼痛6小时”急诊入院。查体：体温38℃，脉搏90次／分，血压105/75mmHg，呼吸24次／分，上腹部有压痛，腹痛向腰背部放射。实验室检查结果：WBC12.0×10/L，血清淀粉酶1020U/L（Somogyi法），尿淀粉酶1480U/L（Somogyi法），血钙2.5mmol/L。病人既往有乙型肝炎、胆囊结石病史。临床初步诊断为急性胰腺炎。该病人的实验室检查结果中，最早出现异常的是（）
A.
尿淀粉酶
B.
血清淀粉酶
C.
血清钾
D.
血清钙
E.
血清镁
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【简答题】在窗体上画一个名称为Command1的命令按钮和一个名称为Text1的文本框。程序运行后，Colnmand1为禁用(灰色)。当向文本框中输入任何字符时，命令按钮command1变为可用。请将程序补充完整。 Private Sub Form_Load() Command 1.Enabled=False End Sub Private SubText1【 】() Command1.Enabled=Tr...
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【简答题】在窗体上画一个名称为Command1的命令按钮和一个名称为Text1的文本框。程序运行后，Command1为禁用(灰色)。当向文本框中输入任何字符时，命令按钮Command1变为可用。请在【 】处填入适当的内容，将程序补充完整。 Private Sub Form_Load( ) Command1.Enabled=False End Sub Private Sub Text1【 】( ) Comma...
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【单选题】Now more and more college students _____ to go and work in the west provinces of China.A．pickB．e
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【单选题】Mobile phones are very popular in China now and they are ______ than before.
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【简答题】在窗体上画一个名称为Command1的命令按钮和一个名称为Text1的文本框。程序运行后，Colnmand1为禁用(灰色)。当向文本框中输入任何字符时，命令按钮command1变为可用。请将程序补充完整。 Private Sub Form_Load() Command 1.Enabled=False End Sub Private SubText1【 】() Command1.Enabled=Tr...
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【单选题】Now more and more college students _____ to go and work in the west provinces of China.A．pickB．e
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【单选题】Mobile phones are very popular in China now and they are ______ than before.
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much cheaper
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quite cheaper
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