单选题:What are the disadvantages of "Things of Internet" accordin

  • 题目分类:初中英语
  • 题目类型:单选题
  • 查看权限:VIP
题目内容:
What are the disadvantages of "Things of Internet" according to Raft Haladjian? A.Different things can't communicate with each other.
B.They are too expensive and without utility.
C.The safety of them can't be ensured.
D.They may threaten people's privacy.

参考答案:
答案解析:

请阅读短文,完成第题。When I read last week that Angela Ahrendts was ge

请阅读短文,完成第题。When I read last week that Angela Ahrendts was getting up to $68m a

查看答案

The teacher asks students to do a group-work task. Before t

The teacher asks students to do a group-work task. Before the task, the teacher

查看答案

人在吸气时,胸腔和肺内压的变化是(  )。

人在吸气时,胸腔和肺内压的变化是(  )。 A.胸廓扩张。肺内压增大 B.胸廓扩张.肺内压减小 C.胸廓缩小,肺内压减小 D.胸廓缩小,肺内压增大

查看答案

很多植物可以通过营养器官产生后代,我们将新鲜的土豆用清水洗去泥土,选择明显的“芽眼”。用小刀剜下一块带“芽眼”的组织块。

很多植物可以通过营养器官产生后代,我们将新鲜的土豆用清水洗去泥土,选择明显的“芽眼”。用小刀剜下一块带“芽眼”的组织块。(图4) (1)平常使用的“土豆’,(马

查看答案

在“鸟类的生殖与发育”一节的教学中,教师先播放“鸟类求偶、交配、产卵、孵化、育雏”的照片.接着出示挂图讲解鸟卵的结构,随

在“鸟类的生殖与发育”一节的教学中,教师先播放“鸟类求偶、交配、产卵、孵化、育雏”的照片.接着出示挂图讲解鸟卵的结构,随后让学生观察鸡卵,并选出学生代表借助实

查看答案