荧光分析法测地高辛片的含量
A. 碱性三硝基苯酚
B. L-抗坏血酸
C. 胆甾醇
D. 纸色谱法
E. 三氯醋酸的氯仿液
In the playground of our school a hole had been______.
A) made
B) dig
C) widen
D) shorten
He is the tallest boy __________.
A. of the three
B. with his brothers
C. than any other boy in his class
Of all the dresses I have, the color of this one is ______.
A. bright
B. the brighter
C. the brightest