第7题: [单项选择]A. He had to live by himself. B. He must pay the rent. C. He spent much money. D. He didn’t spend much money. 参考答案:C 答案解析:[解析] W: I lived with my sister this summer and didn’t have to pay the rent. so I was able to sav
第21题: [单项选择]电控风扇的控制回路由()组成。 A. 继电器和水温传感器 B. 电磁开关和水温传感器 C. 电路开关和水温传感器 D. 电子块和水温传感器 参考答案:A
第22题: [单项选择]男性,28岁,头晕乏力一年半,皮肤散在出血点,血象Hb65g/L,RBC2×1012/L,WBC1.8×109/L,白细胞分类,淋巴细胞80%,中性20%,骨髓增生低下,其诊断是() A. 骨髓纤维化 B. 慢性再障 C. 急性再障 D. 脾功能亢进 E. 白血病 参考答案:B