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【单选题】
从网上下载软件时使用的网络服务类型是( )A.
文件传输
B.
远程登录
C.
信息浏览
D.
电子邮件
手机使用
分享
复制链接
新浪微博
分享QQ
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【简答题】Alcohol may not be (consumer) ______________in the building.
【简答题】消毒酒精并非浓度越高越好 Higher-concentration alcohol may not be more _____________
【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...
【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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