蛋白质是两性电解质,其所带电荷的性质及电荷量只取决于环境pH。
A. 对
B. 错
Choose the correct Chinese translations for the following sentences from the passage.Before long, it spread to my other leg.
A. 不久后,它扩散到了我的另一条腿。
B. 很早前, 它传染到了我的另一条腿。
Choose the correct Chinese translations for the following sentences from the passage.I was overjoyed and proud of myself for beating the odds.
A. 我欣喜若狂,并因赢得了投注而自豪。
B. 我欣喜若狂,并因战胜了逆境而自豪。