What were the Massachusetts colonists thankful for?
A.The terrible winter.
B.The corn harvest.
C.The development of Thanksgiving Day.
D.For getting the whole family together.
第1题
扩张型心肌病最主要的体征是
A.心脏扩大
B.第三心音奔马律
C.第四心音奔马律
D.心音低钝
E.心律失常
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