单词拼写(共10小题,每小题0.5分,共5分)

小题1:The little box c______ the little boy’ s toys.

小题2:Her brother is e________ in a fast food restaurant , earning $40, a week.

小题3:Please be quiet.The weather report is being b________. Let’s listen.

小题4:One way for people to keep fit is to f______ healthy eating habits.

小题5:Your waiter should a_______ to us for his rudeness.

小题6:She is so fat that she has made up his mind to go on a d_____.

小题7:A c_____  came in and bought some food.

小题8:He wrote the poem in m_______ of Lu Xun.

小题9:The teacher doesn’t p______ sleeping in class.

小题10:He is not poor; on the c_____   he is a millionaire.

钙通道阻滞药可（）

A.降低动作电位幅度

B.加速动作电位去极化

C.延长窦房结不应期

D.降低窦房结兴奋性

E.心电图可见P-R间期延长