- Would you like to attend the farewell party next week, Mr. Huang?
- Sure, I'd love to. I have no reason to _______ your invitation,
A:turn down
B:turn off
C:turn up
D:turn on
-Does Helen like__________?
-Yes. She likes eating apples, pears and bananas.
质量是4.5kg的木块,放在水平桌面上,该物体重多少N?(g=10N/kg)