We enjoyed ________ in the park yesterday
A:us
B:our
C:ourself
D:ourselves
⑴体温计示数____ °C .
⑵该电流表示数为____ A .
⑶木块长度____ cm .
⑷电阻箱示数____ Ω .
若U={1,2,3,4,5,6},M={1,2,4},N={2,3,6},则∁U(M∪N)=( )
— .