题目内容

大气过电压是由雷云对地放电所引起的。()

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不属于当期发生的增值税进项税一律不得在当期抵扣。()

I should __________ Alex this morning, but I forgot.
A phoned
B have phoned
C phone

两相触电比单相触电更危险。()

— I'd like to invite you to my birthday party on Saturday evening.
— ___________ .
A It's none of your business
B Thank you for your invitation. I'm very happy to join the party.
C I don't want to join your party.