She is living ( ) that some player just get better with age.
A. champion
B. heroine
C. proof
D. memory
Our teacher usually finishes( )each of her sentences by looking straight into one of the students' eyes.
A. up
B. down
C. in
D. with
轨距:记录实量值与标准值的误差。+、-的确定:轨距()于标准值为“+”,“+”号可以省略不写。
A. 小
B. 等
C. 大
D. 大于等
蛋白质主要以下列哪种形式吸收:( )
A. 蛋白质
B. 多肽
C. 氨基酸
D. 二肽和三肽
E. 葡萄糖