Passage One
A. The oldest geological materials ever found are mineral grains.
B. You can find the oldest rocks along a nature trail or highway.
C. Common rocks can only be hundreds or thousands of years old.
D. The youngest rocks can be found provided there is a volcano.
Passage Three
A. To evade police, drivers may get panic-stricken when they are texting.
B. Drivers tend to keep their eyes searching police when they are texting.
C. Crash rates rose more than three times after the texting bans were enacted.
D. Crash rates rose in three of the four states surveyed after texting was banned.
1)近年来越来越多的大学在郊区成立了分校2)分析出现这种现象的原因3)指出其可能带来的问题Universities’ Branch Campuses in Suburban Areas
Passage Two
A. The air in the car is not fresh.
B. Their eyes get fatigued.
C. The speed of the car is uneven.
D. The signals from their eyes and ears disagree.
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