小麦播种出苗，土壤适宜的含水量为田间持水量的（）%。
A. <40
B. 60
C. 70-75
D. >85
查看答案
What are the "bound IP addresses" used for in LDP？（）
A. For each such address and mask /32, one label binding is created.
B. As the TCP endpoint, IP addresses are used by the LDP session.
C. These addresses are used to find the label binding to put in the LFIB, by looking up these IP addresses in the routing table.
D. These addresses are used for penultimate hop popping (PHP) when forwarding packets to the next router directly.&e
吸气式活塞发动机负荷特性，是在哪种条件下得到的（）.
A. 额定进气压力下
B. 节气门全开
C. 一定进气速度
D. 一定大气条件
慢性阻塞性肺疾病中医证型之外寒里饮证所选方药是（）
A. 定喘汤
B. 六君子汤
C. 玉屏风散
D. 小青龙汤
E. 金匮肾气丸
微信支付 
支付宝支付