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第五章27根据《旅游法》规定城镇和乡村居民利用自有住宅或其他条件依法从事旅游经营,其管理办法由( )制定A.
省自治区直辖市
B.
县级人民政府
C.
国家旅游局
D.
当地旅游主管部门
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【简答题】Alcohol may not be (consumer) ______________in the building.
【简答题】阅读理解。 Almost every day, we discuss the topic of health, especially for kids. But what is health? 'Health' means eating well, getting enough exercise, and having a healthy weight. Let's read the follow...
【简答题】阅读理解。 Almost every day, we discuss the topic of health, especially for kids. But what is health? 'Health' means eating well, getting enough exercise, and having a healthy weight. Let's read the follow...
【单选题】镁粉在焰火、闪光粉、鞭炮中是不可少的原料，工业上制造镁粉是将镁蒸气在某种气体中冷却．现有下列气体：①空气、②CO 2 、③Ar、④H 2 、⑤N 2 ，其中可作为冷却气体的是（ ）
A.
①和②
B.
②和③
C.
③和④
D.
④和⑤
【简答题】Almost every day, we discuss the topic of health, especially for kids. But what is health? “Health” means eating well, getting enough exercise, and having a healthy weight. Let’s read the following ru...
【单选题】镁粉是焰火、闪光粉、鞭炮中不可缺少的原料,工业上制造镁粉是将镁蒸气在某种冷却剂中冷却。下列可作冷却剂的是： ①空 气 ②二氧化碳 ③氩气 ④氢气 ⑤氮气 ⑥水
A.
①②
B.
③④
C.
③⑥
D.
③⑤
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