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【单选题】
“滞胀”理论用菲利普斯曲线表示是一条( )。A.
不断外移的短期菲利普斯曲线
B.
垂直的菲利普斯曲线
C.
斜率为正的直线
D.
斜率为负的直线
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反馈参考答案：
举一反三
【单选题】Increasingly, over the past ten years, people especially young people have become aware of the need to change their eating habit, because much of the food they eat, particularly processed foods, is no...
A.
people' s growing interest in natural foods
B.
natural food and health diet
C.
the importance of fibre in foods
D.
harmful effects of sugar
【单选题】Biodiesel Yuthachai of Thailand has invented a home-grown alternative to expensive imported diesel, a biodiesel derived from vegetable oil. Biodiesel is winning political backing in Thailand because i...
A.
Right
B.
Wrong
C.
Not mentioned
【单选题】17+8.9+4.83=5.17+4.83+8.9,是用了( )。 【 A、加法结合律 B、加法交换律和结合律 C、加法交换律】
A.
加法结合律
B.
加法交换律和结合律
C.
加法交换律
D.
乘法结合律
【单选题】Ratatouille is a dish that has grown in popularity over the last few years. It features eggplant, zuc-chini, tomatoes, peppers, and garlic; chopped, mixed, sautéed, and finally, cooked slowly over low...
A.
French pastry.
B.
sauce to put over vegetables
C.
pasta dish extended with tomato paste.
D.
vegetable stew.
【简答题】直接写出得数 5.17+1.96+4.83= 12.5×0.34×8= 5.01×101-5.01= ﹙ 7 12 - 1 3 ）× 2 7 = 5×（ 1 5 - 1 6 ）×6=
【简答题】3×0.59－2.5×4.9×4＋5.17×5.9．48.3×0.59-2.5×4.9×4+5.17×5.9．
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