1.b

2.e

3.d

4.a

5.c

a, \(\sqrt{2^2.24}=\sqrt{96}\)

b,\(-\sqrt{3^2.15}=-\sqrt{135}\)

c,\(\sqrt{a^2.\dfrac{3}{a}}=\sqrt{\dfrac{3a^2}{a}}=\sqrt{3a}\)

d,\(\sqrt{a^2.2}=\sqrt{2a^2}\)

8,Although Tom had a good salary, he gave up his job.

9,In spite of not finishing the paper, he went to sleep.