【推荐1】The pay check is not the single most motivating f______in the work of most people. (根据首字母单词拼写)

【推荐2】The major ________(因素) in the decision to stay or to leave was usually professional. （根据汉语提示单词拼写）

【推荐3】California has lost half its big trees since the 1930s, according to a study to be published Tuesday and climate change seems to be a major __________ (因素).(根据汉语提示单词拼写)

【推荐1】Immediately after the earthquake, the relief workers were on site to look for s________ (幸存者). (根据中英文提示单词拼写)

【推荐2】Some experts have drawn a ______ (结论)that the full and active measures taken by the government are effective.

【推荐3】We must take measures to prevent rare animals from ________(消失) on the earth. （根据汉语提示单词拼写）

【推荐1】I tried shaking him but there was no ________ (反应).（根据汉语提示单词拼写）

【推荐2】A red light is a _____(信号) of danger,which is even known to a five-year-old child. (根据汉语提示单词拼写)

【推荐3】To my amazement, the big company signed a _____________(合同) with our factory. (根据汉语提示单词拼写)