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【判断题】
LC正弦波 振荡器提高频率稳定度的措施是,降低回路Q值和使集体管与回路处于紧耦合。A.
正确
B.
错误
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反馈参考答案：
举一反三
【单选题】Luke practices law without an attorney's license. The state requires a license to protect the public from unauthorized practitioners. Clark hires Luke to handle a legal matter. Luke cannot enforce the...
A.
it is illegal.
B.
Luke has no contractual capacity.
C.
Luke did not give consideration.
D.
none of the above.
【单选题】You'd better listen to the teacher carefully and take ____ when it is neccessary.
A.
notes
B.
tickets
C.
signs
D.
words
【单选题】Why did Ed and Luke fall out?
A.
Luke only ordered one MP3 player.
B.
Ed only ordered one MP3 player.
C.
Luke wasn’t speaking to Ed.
【单选题】What did Ed do after Luke left him?
A.
Persuaded Luke to stay.
B.
Found a new walking companion immediately.
C.
Continued the walk on his own
【简答题】Listen to the conversation and fill in the missing sentences. You'd better listen to it no more than THREE times.
【简答题】Listen to the conversation again. Choose the correct answer. You'd better listen to it for only once .
【单选题】why did Ed and Luke fall out?
A.
Luke only ordered one MP3 player
B.
Ed only ordered one Mp3 player
C.
Luke wasn’t speaking to Ed
【单选题】You'd better listen to the teacher carefully and take _________ when it is necessary.
A.
notes
B.
tickets
C.
signs
D.
words
【简答题】Record your own reading of new words list of passage A, unit 3 and post it in the ANSWER ZONE . Before recording, you'd better listen to the words first and then read all words reapedly until you can...
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