因为2a=3b,所以a:b=2:3.______.
因为2a=3b,
所以a:b=3:2;
故答案为:×.
—What are you going to do this weekend, Sue?
—I will _________ it in a farmhouse. I want to enjoy farm fresh food and air.
A.pay
B.cost
C.spend
D.take
男性,57岁。突然出现右侧上肢麻木伴无力,说话困难。约10分钟缓解,次日再度出现同样症状,并伴有左侧眼睛视物模糊,10分钟后再次缓解。神经系统查体未见异常()男性,58岁。午休后突感头晕,右侧肢体无力伴不能言语,既往:有冠心病、房颤史,头颅CT扫描示左侧内囊区一斑片状低密度影()
A.脑血栓形成
B.脑栓塞
C.分水岭脑梗死
D.椎动脉系统TIA
E.颈内动脉系统TIA