美国工业设计的奠基人是（）。
A.提格、罗维和马金托什
B.提格、马金托什和德莱佛斯等
C.提格、罗维和德莱佛斯等
D.金凯特鲁宾等
参考答案：C
汽车空调的制冷系统由（）等组成。
A.压缩机
B.膨胀阀
C.冷凝器
D.蒸发器
William Sidney Porter, known as O. Henry, is most famous for ().
A. his poems
B. his plays
C. his short stories
D. his novels
