There's ___________ team.[ ]
A. Bob
B. Bob's
答案:B
苯甲酸钠发挥防腐作用的最佳pH为()
A.pH3
B.pH4
C.pH5
D.pH6
Which of the following groups is defined as "newlyweds"
Which of the following best describes the possible attitude of the reporter
A.Sympathetic.B.IndifferentC.Critical.D.Matter-of-fact.