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触发器具有两个稳定状态,用以表示逻辑状态 和 ,在一定外界信号作用下,可以 。
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【单选题】Section C Directions:There are 2 passages in this section. Each passage is followed by some questions or unfinished statements. For each of them there are four choices marked A),B),C)and D).You should...
A.
Fancy packaging can help to engage new smokers.
B.
It has little to do with the quality or taste of cigarettes.
C.
Plain packaging discourages non-smokers from taking up smoking.
D.
It has little impact on their decision whether or not to quit smoking.
【简答题】Section C Directions: There are 2 passages in this section. Each passage is followed by some questions or unfinished statements. For each of them there are four choices marked A), B), C) and D). You s...
【简答题】SECTION B PASSAGES In this section you will hear several Passages. Listen to the Passages care fully and then answer the questions that follow. Questions 11 to 14 are based on. the following passage. ...
【简答题】SECTION B PASSAGES In this section you will hear several passages. Listen to the passages care fully and then answer the questions that follow. Questions 11 to 13 are based on the following passage. A...
【简答题】SECTION BPASSAGES In this section you will hear several passages. Listen to the passages carefully and then answer the questions that follow. Questions 11 to 13 are based on the following passage .At ...
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