混凝土接缝处理时，固定后的传力杆必须平行于板面及路面中心线，误差不得大于()。
A.5mm
B.10mm
C.4mm
D.15mm
参考答案：A
—What _____ weather! We can’t go boating today.
—I’m afraid we have to watch TV at home.
A．sunny
B．nice
C．wonderful
D．terrible
