题目内容
接近开关与被检测体的工作距离应设定在额定距离的2/3以内，且越近效果越好。
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These experiments also show that optimists do much better in school and at work. They regularly exceed the predictions of aptitude tests.
His heart is overflowing with awe and gratitude for the beauty of her, the perfection.
Then she picks up the baby, who immediately becomes lively and makes happy sounds. "My God," the father says. "She's deaf." "No, she's not," the mother says. "I mean, it's too soon to say a thing like that. Look, she's brand-new. Her eyes don't even focus yet."
The optimists tend to believe defeat is just a temporary setback, that its causes are confined to this one case.
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