为避免程序和()丢失,可编程序控制器装有锂电池,当锂电池电压降降至相应的信号灯亮时,要及时更换电池。
A、地址
B、程序
C、指令
D、数据
参考答案:D
小题1: What’s y_______ (你的) name ?
小题2:I can p_______(踢)football.
小题3:Who are they in the photo ? They are my p_______(父母亲).
小题4: I have a warm f________ (家庭)
小题5: This is Mr Wang He’s h________ (她的)English teacher
小题6: How many c________ (班)are there in your school ?
小题7: My brother often w________ (看)TV on Sunday
小题8: -Can you r________ (骑)a bike ? -Yes, I can
小题9: W________(欢迎) Betty and Tony to our new school
小题10: The shoes are b________(在…后面)the door.
“农信通”提供的农业信息是由哪里提供的?