【判断题】自动扶梯由于速度较低,可不设电气超速保护装置。【参考答案】:
【单选题】He can’t be at home, ______?
【单选题】复韵母由两个或三个元音构成,共( )个。
【单选题】Targeting children for advertising is controversial because children ______.
A.
can't understand the information provided in the advertisements
B.
often give off information that may be dangerous to them
C.
are unable to give consent since they are too young
D.
are not ready to evaluate advertisements in terms of accuracy
【判断题】自动扶梯由于速度较低,可不设电气超速保护装置。( )A. 正确; B. 错误