检查巩膜黄染时,应在()
A.自然光线下
B.日光灯下
C.黄炽灯下
D.电筒光下
E.强光下
参考答案:A
小华同学家今年用16%的氯化钠溶液来选种,如果要配制10kg这样的溶液,需称取氯化钠的质量为( )
A.0.8kg
B.1.6kg
C.3.2kg
D.6.4kg
There's _____water in the bottle, besides, I am also _____ hungry. [ ]
A. a bit, a little
B. a little of, a bit
C. a bit of, a little
D. a bit, a little of