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问题 单项选择题

外周静脉置入中心静脉导管穿刺进针的角度应为（）

A.10°～20°

B.20°～30°

C.30°～40°

D.40°～50°

E.90°

答案

参考答案：B

选择题
Only when she left her parents and went to college in a faraway city____ how much she loved them.
A. she realized
B. she had realized
C. had she realized
D. did she realized
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单项选择题

资料1：

中华人民共和国海关进口货物报关单

预录入编号： 海关编号：

资料2：

资料3：

请根据以上材料，指出下列栏目的正确选项：

“合同协议号”栏：（）。

A.C23047100656

B.KOSHE751363

C.SUZHR07H0050

D.29/1771315
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