A：宾馆的自动门
B：工厂、电站的静电除尘
C：家用电饭煲的跳闸和保温
D：声控开关
选出与你所听句子相符的图片（ ）
—I won't get good grades_______ I study hard.
—That's ______ everyone is trying his best to prepare for the exam.
看拼音写词语。
ào nǎo
hé xié
bào qiàn
yáng yì
____
人生自古谁无死，留取丹心照汗青
一寸光阴一寸金，寸金难买寸光阴
少壮不努力，老大徒伤悲
先天下之忧而忧，后天下之乐而乐
拳不离手，曲不离口
独在异乡为异客，每逢佳节倍思亲
