一个梯形的高是10分米,上底和下底都增加5分米,面积就增加了 [ ]
A.10平方分米
B.12平方分米
C.50平方分米
D.25平方分米
C
用所给单词的适当形式填空。
① _____ ( he) books are in the bookcase.
②These _____ (be) my rulers.
③Are those _____ (she) oranges?
④I _____ ( not know) his name.
⑤Where _____ (be) my keys?
⑥Are these your _____ (photo)?
⑦The _____ (pencil) are on the table.
⑧ _____ ( be) the computer game on the chair?
溃疡性结肠炎患者
A.腹痛时排血便或脓血便,便后腹痛减轻
B.排血便后腹痛不减轻
C.上腹绞痛或有黄疸伴便血
D.慢性、节律性、周期性上腹痛伴柏油样便
E.便后滴鲜血