2. 外语
  3. The oscillator was easier to use, more stable, and less expensive than others available at the time.

The oscillator was easier to use, more stable, and less expensive than others available at the time.

admin2009-06-15  68
问题 The oscillator was easier to use, more stable, and less expensive than others available at the time.
选项 A、changeable
B、unchanging
C、diverse
D、strong
答案B
解析 stable“稳定的”；changeable“可改变的”；unchanging“不变的”；diverse“不同的、变化多的”；strong“强壮的”。
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