The school advisers help you talk throug

My neighbor’s children love playing hide-and-seek as other children do ，but everybody had imagined that the game they played themselves last week would be reported in the local newspaper. One afternoon, they are playing at the street comer. Paul, only five year old, hid and locked himself in a storage mailbox in accident His sister, Nancy, heard his cries and realized what had happened, so she immediately asked a mailman open the metal door. Paul was free ，but he had such bad a scare that he could not stop cry. The mailman told him that next time he wanted to hide in a mail box, he should remember to put the stamp on himself. When he heard that ，Paul burst into laughing.

印刷厂20天印书4800万册，照这样35天印书多少万册？

肾病患儿，泼尼松1.5～2mg／（kg·d），治疗已8周．尿蛋白为（+）～（++）（）

A.激素无效应

B.激素依赖

C.激素部分效应

D.激素完全效应

E.复发

合成胆固醇的限速酶是（）

A.鲨烯环氧酶

B.甲羟戊酸激酶

C.HMG-CoA合酶

D.HMG-CoA还原酶

E.HMG-CoA裂解酶

自然伽玛重复曲线误差在（）以内。

A.±10%

B.±8%

C.±7%

D.±5%