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【判断题】
模拟信号都是连续信号 离散信号即数字信号A.
正确
B.
错误
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【简答题】Translation a. Young men, never give up. Never give up! Never give up! Never, never, never, never! (Para.2, L6) b. No task is too hard. No amount of preparation is too long or too difficult. (Para.3, ...
【单选题】Yesterday, Nick, who (said it was true) that he had never been able to complete a crossword puzzle, shouted, “I’ve done it! I’ve finished a puzzle!”
A.
admitted
B.
boring
C.
numerous
D.
peculiar
E.
practically
F.
primarily
G.
smart
【单选题】In this part of the quiz, indicate the main function of the term or phrase that is in boldface in the following passage. More than one letter might be acceptable, but you must choose only one option a...
A.
P = a premise marker
B.
C = a conclusion marker
C.
A = an assuring term
D.
G = a guarding term
E.
D = a discounting term
F.
E+ = a positive evaluative term
G.
E- = a negative evaluative term
H.
H. N = none of the above
【单选题】联合国教科文组织1995年宣布将把每年的( )定为“世界读书日”。
A.
2019/4/23
B.
2019/5/11
C.
2019/6/25
D.
2019/3/21
【简答题】定性分析的任务是鉴定物质由哪些 __________、___________、__________、___________或___________组成; 定量分析的任务是测定试样中各组分的 __________; 结构分析的任务是确定物质的 _________
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