对就业困难人员应加强()
A.职业培训
B.职业介绍
C.分类帮扶
D.重点援助
参考答案:A, B, C, D
脊髓灰质炎最常见的受累部位是()
A.脊髓颈段和腰段前角运动神经元
B.脑干神经元
C.脊髓侧索
D.呼吸中枢血管运动中枢
E.大脑皮质运动神经元
.—What’s the matter with the man hanging his head there?
—Well, if you _______ know, he was caught stealing my bike.
A.must
B.may
C.can
D.shall