1 "In the sentence,""Shut down the APU"", 谓语：shut down 宾语：the AP

1 "In the sentence,""Shut down the APU"", 谓语：shut down 宾语：the APU,主语:（you）省略了，一般称为命令式，常见于工卡。

B.1

正确答案是A