混凝土小型空心砌块水平灰缝和竖向灰缝的砂浆饱满度分别为()。
A. 100%
B. 95%
C. 90%
D. 85%
E. 80%
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Ig的基本结构是由______条多肽链组成,链间借助______连接而成的。
《声环境质量标准》(GB3096-2008)将乡村地区纳入标准适用范围。
A. 正确
B. 错误
前人认为:斑疹外露是邪气外透的标志,故"宜多见而不宜少见"。
A. 正确
B. 错误
Examine the following excerpt from the show ip ospf database asbr -summary command on router R1 (RID 1.1.1.1). Which answer can be verified as definitely true based on this output?() LS Type: Summary Links (AS Boundary Router) Link State ID: 9.9.9.9 (AS Boundary Router address) Advertising Router: 3.3.3.3 LS Seq Number: 8000000D Checksum: 0xE43A Length: 28 Network Mask: /0 TOS: 0 Metric: 100
A. The output describes the contents of a Type 5 LSA
B. 3.3.3.3 identifies a ro uter as being the router performing redistribution
C. R1's metric for its best route to reach the router with RID 9.9.9.9 is 100
D. The router with RID 3.3.3.3's metric for its best route to reach the router with RID 9.9.9.9 is 100