猩红热的舌象特点是()
A.地图舌
B.霉酱舌
C.镜面舌
D.杨梅舌
E.红绛舌
参考答案:D
“绿叶在光下制造淀粉”的实验中,把盆栽天竺葵放在黑暗处一昼夜的目的是[ ]
A.有利于去掉叶绿素
B.便于用碘液检验
C.让叶片内的淀粉转运耗尽
D.便于检验淀粉的多少
Don't open your eyes. Keep them _____.[ ]
A. close
B. closed
C. closing
D. closes