1.【2012浙江卷】2. The development of industry has been_______ gradual process throughout _______ human existence, from stone tools to modern technology.
A. 不填, the B. the; a C. a; 不填 D. a; a
2.【2013•江苏】 35—Thank you for the flowers.
—________.I thought they might cheer you up.
A.That's right B.All right
C.I'm all right D.It's all right
3.【2013•湖南卷】 21 Happiness and success often come to those ________ are good at recognizing their own strengths.
A. whom B. who
C. what D. which