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电磁阀不换向的原因及处理方法？

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现代企业成本管理的主体是企业的财务会计人员。

A. 正确
B. 错误

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移民工人是指一国移居到另一国，以（）为目的的人员。

A. 谋取个人就业
B. 定居
C. 拥有公民资格
D. 技术转让

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Router B1, an internal router in area 1, displays the following output. The only two ABRs connected to area 1 are performing Type 3 LSA filterinG. Which of the following answers is true based on the information in the output from B1?（） R1# show ip route 10.1.0.0 255.255.0.0 longer - prefixes ! Legend lines omitted for brevity 10.0.0.0/8 is variably subnetted, 17 subnets, 3 masks O 10.1.2.0/24 [110/658] via 10.10.13.1, 00:00:32, Serial0/0/0.1 O IA 10.1.1.0/24 [110/658] via 10.10.23.2, 00:41:39, Ser ial0/0/0.2 O IA 10.1.3.0/24 [110/658] via 10.10.23.2, 00:41:39, Serial0/0/0.2

A Type 3 LSA for 10.2.2.0/24 was filtered by both ABRs
B. A Type 3 LSA for 10.1.2.0/24 was not filtered by both ABRs
C. A Type 3 LSA for 10.1.3.0/24 was not filtered by at least one ABR
D. A Type 3 LSA for 10.1.1.0/24 filtered by both ABR

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细胞的化学破碎的推动力（）

A. 胞内外的蒸汽压差
B. 胞内外的渗透压差
C. 机械力
D. 浓度差

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