[单项选择]Since the two countries couldn't ________ their differences, they decided to stop their negotiations.
A. rectify
B. oblige
C. reconcile
D. obscure

[单项选择]Since the two countries couldn't________ their differences, they decided to stop their negotiations.
A. rectify
B. oblige
C. reconcile
D. obscure

[单项选择]If the condor population has tripled since two decades ago, about how many are there now
A. 90.
B. 60.
C. 33.
D. 300.

[多项选择]Which of the following must match for  two directly connected routers running OSPF to establish a neighbor adjacency?（）
A. area IDs
B. process IDs
C. router IDs
D. hello timers

[单项选择]

Passage Two Men have traveled ever since they first appeared on the earth. In primitive times they did not travel for pleasure but to find new places where their herds could feed, or to escape from hostile neighbors, or to find more favorable climates. They traveled on foot. Their journeys were tong, tiring, and often dangerous. They protected themselves with simple weapons, such as wooden sticks or stone clubs, and by lighting fires at night and, above all, by keeping together. Being intelligent and creative, they soon discovered easier ways of traveling. They rode on the backs of their domesticated animals; they hollowed Out tree trunks and,’ by using bits of wood as paddles, were able to travel across water. Later they traveled, not from necessity, but for the joy and excitement of seeing and experiencing new things, This is still the main reason why we travel today. Traveling, of course, has now become a highly organized business. There are cars and splendid road
A. so we can travel anywhere without difficulty
B. because we are provided with all kinds of convenient means for traveling
C. because traveling organizations can be found in the countries the world over
D. so travelers have increased rapidly

[单项选择]Since mixtures are composed of two or more pure substances, each______ changes state at a different temperature.
A. company
B. companion
C. compound
D. component

[单项选择]The two things are the same in outward form but different ______.
A. in general
B. in addition
C. in essence
D. in common

[多项选择]What two things will a router do when running a distance vector routing protocol? （）
A. Send periodic updates regardless of topology changes.
B. Send entire routing table to all routers in the routing domain.
C. Use the shortest-path algorithm to the determine best path.
D. Update the routing table based on updates from their neighbors.
E. Maintain the topology of the entire network in its database.

[单项选择]Since then, the contrast between his two careers has become even more ______.
A. symbolized
B. distinguished
C. predominated
D. pronounced

[单项选择]There ______ a pineapple and two bananas on the dinner table.

[单项选择]There is fierce ______ between the two companies to get the lion's share in the market.
A. plight
B. gravity
C. rivalry
D. rating

[单项选择]He ______ two thousand trees since 1985.

[单项选择]To know what is good and ______are two different things.
A. doing what is right
B. to do what is right
C. did what was right
D. to do what was right

[单项选择]It is over two years since my brother ______the army.
A. joins
B. joined
C. has joined
D. had joined