双下肢周围性瘫痪（） A.高颈段脊髓病变 B.脊髓颈膨大病变 C.胸段脊髓病变 D.

卤钨灯的适用波长范围是（）

A.320nm～2500nm

B.150nm～400nm

C.254nm～734nm

D.800nm～1600nm

E.150nm～800nm

八年级（1）班共有学生46人，学生的平均身高为1.58m，小明身高为1.59m，但小明说他的身高在全班是中等偏下的，班上有25个同学比他高，20个同学比他矮，这可能吗？请说明理由．

关于“全脑死亡”的定义错误的是（）

A、大脑、中脑、小脑和脑干的不可逆的死亡

B、呼吸停止、瞳孔对光反射消失

C、通常不能维持很长时间

D、大脑皮质和脑干死亡

E、以上都不存在

关于前锯肌正确的是（）。

A.起于上8~9个肋软骨

B.至于肩胛骨的腋缘

C.覆盖于肩胛骨的后面

D.能上提肩胛骨

E.肩胛骨固定可助肋吸气

The following questions present a sentence, part of which or all of which is underlined. Beneath the sentence, you will find five ways of phrasing the underlined part. The first of these repeats the original; the other four are different. If you think the original is best, choose the first answer; otherwise choose one of the others.

These questions test correctness and effectiveness of expression. In choosing your answer, follow the requirements of standard written English; that is, pay attention to grammar, choice of words, and sentence construction. Choose the answer that produces the most effective sentence; this answer should be clear and exact, without awkwardness, ambiguity, redundancy, or grammatical error.

Health Department statistics demonstrate that children reading high on glucose with family histories of diabetes are twice as likely as the general population to develop diabetes.（）

A. reading high on glucose with family histories of diabetes

B. with high glucose readings whose families have a history of diabetes

C. with high glucose readings and who have a diabetic history in the family

D. having high glucose readings and also having histories of diabetes in their family

E. with a history of diabetes running in the family and with high glucose readings