碱缺失时，体液表现为（）

A.SB减少

B.BB增多

C.AB增多

D.HCO^-₃增多

E.以上都不是

根据句意及汉语提示，写出各单词的正确形式，每空填一词。

小题1:The camera was one of the great ________ in the second half of the 19th century. (发明)

小题2:Some people are good at ________, but they never give back. (借)

小题3:With the _______ of modern medicine, many difficult illness can be cured and prevented.(发展)

小题4:Everyone was very generous and they had lots of support from local b________. (企业)

小题5:They are so weak that they can’t walk any ________. (远)