下列仪器为电流表的是[ ]
A.
B.
C.
D.
答案：A
I’ll come to pay a visit to you if _______ this weekend.
A．you’re convenient
B．it is convenient for you
C．you feel convenient
D．it is convenient with you
三星级电冰箱冷冰室的温度在（）。
A.-20℃以下
B.-16℃以下
C.-18℃以下
D.-24℃
