2004-01-34,37
34. Astronauts receive extensive training to prepare themselves both physically and
A B C
psychologically for complexity and rigor of a space mission 答案是B,解释一下D怎么回事巴。
37. The Louisiana Purchase of 1803 increased the territory of the United States
A
by approximate 846,000 square miles, practically doubling the area of the
B C D
United States. 答案为什么是B呢?
2002-05-34
34.The shell of the abalone, a marine snail, is especially suited by its hardness and
A B
various of colors for the manufacture of jewelry.
C D
为什么C错了呢?
2001-10-37
37.Hair grows more quickly in summer than in winter and more slowly at the night than
A B C
during the day.
D
怎么是C错了呢?
2001-05-38
38.The globe artichoke was known as a delicacy at least 2,500 years ago, and records of its
A B C
cultivation date from fifteenth century.
D
答案为什么是D呢 |