原式=32-1-22+122-12
=322-32.
Because it was hard to _____ with the money he got paid, he wanted to take ____ job.
A.make his life; a second
B.make ends meet; a second
C.earn his living; the second
D.make his living; the second
专业技术人员参加以()专业技术知识和能力的各类继续教育短期培训学习,按实际学习课时认定。
A.增新
B.补充
C.拓展
D.提高