单选题
1.00分
People always turn to him when they need help.
参考答案: C
参考解析: 人们需要帮助时总是求助于他。turn into“变成”，如：I never expect that he has turned into such a cold person．我从来没想到他竟变成了这样一个冷冰冰的人。turn off“关掉”，如：Remember to turn off the gas when you finish cooking．记得做完饭后把煤气关掉。fall back on“求助于”，如：Doctors sometimes fall back on old cures．医生有时会求助于古老的疗法。 turn on“打开”，如：Why don't you turn the lights on？为什么不开灯呢？ 只有fall back on意思上与turn to最接近。
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