【单选题】听力原文:If one of the food links is not kept, what will happen to the food chains? (12)
【单选题】What do sales figures reflect in free market terms?
A.
They reflect the manufacturers' decision of production cut-backs.
B.
They reflect the state of local market forces at any one place and at any one time.
C.
They reflect the demands and supplies of a corporation.
【单选题】What links cognitive development to the needs of society?
B.
Natural human cognitive development.
【单选题】可编程定时/计数器8254内部每个计数器允许的最高计数频率是( )。
【单选题】Your MPLS implementation is currently using internal backdoor links. What can you do to minimize the impact of having these links?()
A.
use BGP as the CE-PE routing protocol
B.
use OSPF as the CE-PE routing protocol
C.
use EIGRP as the CE-PE routing protocol
D.
use the SP to redistribute routes as external routes for OSPF and EIGRP
E.
use route redistribution at each location to ensure external routes are imported into the IGP
【单选题】What links the decisions of consumers and firms in a market?
C.
coordination officials.
【单选题】Judging from the context, what does the word 'them' (line 4, paragraph 2) refer to?
C.
Anger, resentment, and jealousy.
【单选题】Judging from the context, what does the word 'them' (Line 4, Paragraph 4) refer to?
C.
Anger, resentment, and jealousy.