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请根据程序注释写出程序语句: #include "config.h" #define BUZZER (0x00000001 << 10) // P0.10控制BP1,低电平蜂鸣 #define PORTDIR (0x00000001 << 25) // P0.25控制GPIO缓冲芯片状态,低电平为输入,高电平为输出 void delay(uint32 value) { uint32 i; for(; value > 0; value--) { for(i = 0; i < 5000; i++) { ; } } } int main(void) { ; // 将P0.10设置为GPIO ; // 将P0.25设置为GPIO ; // 设置P0.10和P0.25为输出方向 IO0SET = PORTDIR; // 设置GPIO缓冲芯片为输出状态 while(1) { ;// 驱动蜂鸣器叫 delay(300); ; //关闭蜂鸣器 delay(300); } }
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【判断题】performatives are sub-divided into two big types. They are explicit performatives and implicit performatives.()
A.
正确
B.
错误
【判断题】色环电容和色环电阻的参数,数字和颜色标识都相同。
A.
正确
B.
错误
【单选题】Now more and more people are_______ the dangers of drinking and driving.
A.
tired of
B.
aware of
C.
fond of
D.
proud of
【简答题】1) 22. A ) Anxious and depressed . B ) Contented and relieved . C ) Excited but somewhat sad . D ) Proud but a bit nervous . 2) 23. A ) It is becoming parents biggest concern . B ) It is gaining incre...
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【单选题】使用___ sys可以导入sys模块。
A.
include
B.
import
C.
using
D.
input
【判断题】增强型场效应管是指没有加偏置电压时有导电沟道存在
A.
正确
B.
错误
【简答题】A. Anxious and depressed. B. Contented and relieved. C. Proud but a bit nervous. D. Excited but somewhat sad.
【简答题】Questions 22 to 25 are based on the passage you have just heard. 22. A) Contented and relieved. B) Anxious and depressed. C) Proud but a bit nervous. D) Excited but somewhat sad.A. B. C. D.
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