Android中的用户操作事件分为物理按键事件和触摸屏事件。
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Android物理按键的操作有按下、松开、长按等。
A. 对
B. 错
Android系统中，每个物理按键都有一个编码，是一个字符串。
A. 对
B. 错
Adverbials of time and place in English are often expressed ( ).
A. in the same order as in Chinese
B. from big units to small ones
C. in the same way as in Chinese
D. from small units to big ones
What does the speaker think of visitors’ complaints about English food?（ ）
A. Unfair.
B. Ridiculous.
C. Reasonable.
D. Objective.
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