一碳单位是指(),它必须与()结合为活性一碳单位才能参与代谢。
参考答案:个别氨基酸分解代谢产生的含一个碳原子的基团;FH4
She was disappointed to see the beautiful coat _____ she had bought the day before ______ with a lot of dust.
A.which; cover
B.that; covered
C./; covering
D.where; covered
外伤性截瘫病人,建立反射性膀胱的护理措施是()
A.留置导尿,定时开放引流
B.每周更换导尿管
C.每2h更换体位
D.抬高床头,多饮开水
E.每日膀胱冲洗1次