The body has several different systems to create ______, because it is very important.
AMP
B. ATP
C. ADP
D. phosphate molecule
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【B5】
A. opinions
B. manners
C. effects
D. functions
【B15】
A. claimed
B. classified
C. said
D. graded
未填明现金字样的银行汇票丧失,不得挂失止付。()
A. 正确
B. 错误
【B11】
A. interpreting
B. explaining
C. telling
D. reading