冻结单位存款的期限（）
A.一般为1年
B.在1年以内
C.不超过6个月
D.在6个月到1年之间
参考答案：C
明代吴又可（）首次系统论述急性传染性疾病
If it is impossible to avoid a hurricane in the Northern Hemisphere，the most favorable place to be when the storm passes is in（）.
A.the dangerous semicircle
B.the eye (center) of the storm
C.that half of the storm lying to the right of the storm's path
D.that half of the storm lying to the left of the storm's path
