Is this washing machine automatic or semi-automatic? 这台洗衣机是自动的还是半自动的？
This refrigerator is of low noise design. 这台冰箱是低噪音设计。
This TV set gives sharper pictures than others. 这台电视机的画面比其它的更清晰。
This stereo set is a nice design. 这套音响的设计很精致。
Is this TV set on sale? 这台电视机有减价销售吗？
Which one is of the best quality? 哪一台的质量最好？
Which kind is the most durable? 哪一种最耐用？
How long is the warranty period? 保修期多长？
