单词辨音 在A、B、C、D四个选项中，选出划线部分读音与其余三个不同的选项，并将该选项对应的字母编号填入答题卷上相应的空格内。（本大题共5分，每小题0.5分）
Not only he but also his friend________to Yunnan every summer．
The new treatments________by Norman Bethune helped a number of soldiers．
Today，computers are really helpful．They________everywhere．
A year has four seasons and it________twelve different star signs．
Battery-operated slippers are used________seeing in the dark．
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