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【单选题】
新斯的引发“胆碱能”是指A.
用量过大，肌无力加重
B.
用量过大，肌张力亢进
C.
用量过大，中枢兴奋
D.
用量过大，中枢抑制
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【简答题】74LS161 连接的计数电路电路如图所示,计数电路的循环状态( ),该电路是( )进制计数器。
【单选题】以下关于PC和DPTR的结论中错误的是( )。
A.
DPTR是可以访问的，而PC是不可访问的
B.
DPTR和PC都是16位的寄存器
C.
它们都具有自动加“1”功能
D.
DPTR可以分为2个8位的寄存器使用，而PC不能
【简答题】句型转换:将两个句子合成一个带有定语从句的复合句。 This book is very popular among young readers. It was written by J.K. Rowling. This book, _____________________________, is very popular among young readers.
【简答题】句型转换:将两个句子合成一个带有定语从句的复合句。 She said she had been waiting for an hour. It was true. She said she had been waiting for an hour, ____________________________.
【简答题】74LS161连接的计数电路电路如图所示，该电路是（ ）进制计数器。【图片】
【简答题】句型转换:将两个句子合成一个带有定语从句的复合句。 It is sunny and cloudless outside. It is suitable for a picnic. It is sunny and cloudless outside, _____________________________.
【简答题】句型转换:将两个句子合成一个带有定语从句的复合句。 He had failed in the exam. It made his father very angry. He had failed in the exam, _____________________________.
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