实验室里加热约2mL液体，应使用的仪器是（ ）
A．②、③、⑤
B．①、③、④、⑥
C．②、③、⑤、⑥
D．①、③、④、⑤
答案：A
订单处理是将企业的可用存货分派给顾客订单或顾客补货单。（）
George returned after the war, only _______ that his wife had left him.
A．to be told
B．telling
C．being told
D．told
