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【单选题】
口服固体的不足是
A.
能适应医疗预防用药的要求
B.
分剂量制剂,剂量准确,应用方便
C.
生产的成本较低
D.
经胃肠道吸收
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举一反三
【简答题】A.Her daughter isn't in her class. B.She isn't related to the student. C.She doesn't think that she looks like the Student. D.The student shouldn't have looked at her like that.
【单选题】听力原文:W1: Mrs. Smith, I am wondering if I could take a day off tomorrow if it's all right with you. W2: All right! But you've called in sick 3 times this week. W1: I know. Mrs. Smith. I'm really sorry....
A.
A notebook
B.
A day's leave
C.
A business trip
D.
Mr. Smith's permission to take care of her mother
【单选题】差分放大电路中,射极电阻REE的主要作用是( )。
A.
提高输入电阻
B.
提高差模电压增益
C.
提高共模电压增益
D.
提高共模抑制比
【简答题】录音中有五个句子,听句子两遍后,从每小题A、B、C三个选项中选出能对每个句子做出适当 反应的答语。 (     )1. A. Yes, please. (     )2. A. Certainly you are. (     )3. A. Oh, they are over there. (     )4. A. OK, I will. (     )5. A. Never mind. B. G...
【判断题】室内的信号传播环境复杂,一些微小的环境变化,都会影响到无线信号的传播路径和强度分布。
A.
正确
B.
错误
【单选题】根据《建筑安装工程费用项目组成》(44号文),建筑安装工程费用项目组成按费用构成要素划分,夏季防暑降温费属于( )。
A.
劳动保险和职工福利费
B.
劳动保护费
C.
生产工人辅助工资
D.
工资性补贴
【单选题】在长尾式差分放大电路中,Re的主要作用是( )
A.
提高差模增益
B.
提高共模抑制比
C.
增大差分放大电路的输入电阻
D.
减小差分放大电路的输出电阻
【单选题】差分放大电路的主要作用是抑制( )信号。
A.
差模
B.
零漂
C.
干扰
【单选题】在长尾式差分放大电路中,RE的主要作用是 ( ) 。
A.
提高差模增益
B.
提高共模抑制比
C.
增大差分放大电路的输入电阻
D.
减小差分放大电路的输出电阻
【简答题】A: Excuse me, I think that's my umbrella you've ____1______. B: Oops. I didn't _____2_____. Here you are. I'm very sorry. A: It doesn't matter. They just look much _____3_____.
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