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【单选题】
理想集成运放的差模输入电阻为( )。
A.
1MΩ
B.
2MΩ
C.
3MΩ
D.
无穷
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参考答案:
举一反三
【简答题】用所给词的适当形式填空。 1. Jack is a kind young man. He is very _____ (help) and people all like him. 2. We have sports _____ (two) a week. 3. Today is my _____ (one) day at school. I'm happy to see my new class...
【单选题】商业相关主题新闻组的命名是()。
A.
news
B.
alt
C.
biz
D.
soc
【简答题】用所给词的适当形式填空。 l. He worked hard and has_____ (great) improved his English. 2. My mother always _____ (courage) me to study hard. 3. We all think Nie Haisheng and Fei Junlong are both_____ (hero), 4. Le...
【简答题】用所给词的适当形式填空。 1. I think you have made a good (decide). 2. He told me that he (go) to the beach the next day. 3. We're supposed (finish) homework on time. 4. The boys (play) soccer when I got there. 5....
【简答题】用所给词的适当形式填空。 1. He would like ________ (eat) dinner with friends. 2. We all have fun ________ (learn) English. 3. Please don’t ________ (listen) to music in class. 4. Let’s ________ (take) a walk in t...
【单选题】商业相关主题新闻组的命名是()。
A.
news
B.
alt
C.
biz
D.
soc
【单选题】商业相关主题新闻组的命名是()。P92
A.
news
B.
alt
C.
biz
D.
soc
【简答题】用所给词的适当形式填空。 1.All of them knew that Peter was good at_______ ( swim) . He can swim across the river easily. 2. She came from a village school, so her English_______ ( listen) was very bad. 3. It's no...
【判断题】全球定位系统使用的卫星轨道均为近圆型,运行的周期约为 24小时。
A.
正确
B.
错误
【简答题】用所给单词的适当形式填空。 1. He said, 'We all know that Beijing _____ (hold) the 2008 Olympic s in several months'. 2. The _____(act) is taking an _____(act) lesson. 3.I have to _____ (practice) my English. 4...
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