皮皮学,免费搜题
登录
搜题
【单选题】
构成K式滤波器的条件是Z1Z2=K2,其中Z1、Z2( )。
A.
电阻
B.
电容
C.
电感
D.
两者电抗性质相反
拍照语音搜题,微信中搜索"皮皮学"使用
参考答案:
参考解析:
知识点:
.
..
皮皮学刷刷变学霸
举一反三
【简答题】按要求写单词。 1. I(形容词性物主代词) 2. he(对应词) 3. boy(对应词) 4. telephone(简称) 5. 最后的(英文) 6. first(中文) __________ __________ __________ __________ __________ __________
【单选题】在其他条件不变的情况下,工业用电价格上升会导致电解铝的供给( )。
A.
增加
B.
减少
C.
不变
D.
无法确定
【简答题】选出划线部分发音不同的一项。 (     )1. A. h e (     )2. A. sh e (     )3. A. b i ke (     )4. A. c lass (     )5. A. n o B. p e n B. fi sh B. i t B. musi c B. g o C. d e sk C. s ix C. i s C. s c hool C. t o
【简答题】Alvin woke up late. He missed the bus. (so) 2. Forestry (林业) is important to Canada. It brings a lot of export income. (since) 3. They had to move. Their building was to be torn down. (because) 4. Mar...
【多选题】下面属于金属波纹管联轴器特点的是( )。
A.
支持极低速运行和高速运行
B.
高抗扭强度
C.
不能补偿轴的偏移
D.
由高级合金钢制成,装配简单快捷
【简答题】基本词组与搭配。 1. 一千多年前 2. he interested in 3. famous characters from Chinese history 4. the first Jews 5. 家世 6. the Song emperor 7. for a foreigner like me _____ _____ _____ _____ _____ _____ _____
【单选题】A 35-year-old man suffers sharp abdominal pain accompanied by hematemesis (vomiting of blood) for 2 days. He dies without seeking medical help. Autopsy fi ndings reveal a perforated ulcer in the poste...
A.
Short gastric
B.
Left gastroomental
C.
Gastroduodenal
D.
Splenic
【简答题】用括号内所给动词的适当形式填空。 1. Mr Johnson likes _____  (watch) TV in the evening. 2. He_____  (go) fishing yesterday. 3. What _____ you_____ (do) this weekend? 4. Listen! Someone_____ (sing) in the next room. 5....
【单选题】在丘陵区道路选线中,在两点间顺自然地形以均匀坡度所定的地面点的连线称为( )
A.
直连线
B.
匀坡线
C.
直接线
D.
直连匀坡线
【简答题】根据音标拼写单词,使句子意思完整正确。 1. He [spendz] _____ too much time playing with them. 2. It's my first time to _____ [ju:z] the computer. 3. I usually go to bed at 9:00 but I can't go to _____ [sli:p] at once. 4....
相关题目: