问题
选择题
5. About 40 _____ of the population of that country _____ on farms.
A．percent; lives
B．percent; live
C．percents; live
D．percents; lives
答案
答案：B
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5. About 40 _____ of the population of that country _____ on farms.
A．percent; lives
B．percent; live
C．percents; live
D．percents; lives
答案：B
缺失，
松动Ⅰ度，颊系带附丽正常，周围软组织无倒凹，颊侧主要倒凹区在远中，舌侧主要倒凹区在近中