病毒性心肌炎恢复期应限制活动至少()
A.2个月
B.3个月
C.4个月
D.5个月
E.6个月
参考答案:B
解析:病毒性心肌炎强调休息,恢复期应限制活动至少3个月。该题正确的答案是B。
Most of our fears are unreasonable, but we find ______.
A.it impossible to erase them
B.that they can not erase
C.them to erase impossible
D.erasing them impossible
总平面图中标高单位为(),一般注写到小数后第三位。
A.km
B.cm
C.mm
D.m