当代著名学者余秋雨称之为“中国历史上最激动人心的工程……,有了它,旱涝无常的四周平原成了天府之国”。这一“工程”是指[ ]
A.隋唐大运河
B.都江堰
C.郑国渠
D.灵渠
答案:B
实物直观的优势在于容易突出事物的本质要素和关键特征。()
--Will you please give me some ideas on __________ English at home?
--Well, do a lot of reading and listen to English programs.
A.how to read
B.how to learn
C.when to use
D.where to use