维生素B2的良好来源是（） A.白菜 B.菠菜 C.大米 D.动物肝脏 E.红薯

The client asks when he can stop taking the eye medication for his chronic open-angle glaucom().

A. Which would be the nurse’s best responseA. "You can stop using the eye drops when your vision improves. "

B. "You Need to use the eye drops only when you has symptoms. "

C. "You can discontinue the eye drops after 2 months of normal eye examinations. "

D. "You must use the eye medication for the rest of his life. "

单词拼写（满分5分）

小题1:It’s hard to p     him into stopping smoking.

小题2:Scientists have so far failed to find a c    for cancer.

小题3:This film is m    to warn people against drugs.

小题4:Shall I p     you a cup of tea？

小题5:Her facial e     showed that she was angry.

小题6:When did Britain       (宣布) war against Germany in the Would War II.

小题7:Nobody trusted Peter, but he was really       (清白的)

小题8:     (咨询) your teacher when you meet with trouble.

小题9:She       (抱怨) to me about his rudeness.

小题10:If you are not satisfied with this book, I can       (推荐) you another one.

如果∠1与∠2互为补角，∠1=72 °，∠2= ( )度，若∠3=∠1，则∠3的补角为( )度，理由是(       )

在混凝土浇筑过程中，因设计要求或施工需要分段浇筑而在先、后浇筑的混凝土之间所形成的接缝，称之为（）。

A.控制缝

B.施工缝

C.变形缝

D.裂缝

无顶盖的室外楼梯( )计算建筑面积。

A．按各层水平投影的一半
B．按其外围水平投影面积
C．一般不
D．按净面积