一个分数的分子和分母都加上3,分数的大小不变.______.(判断对错)
把分数的分子和分母同时加上3,分数的大小不变.错误;
故答案为:错误.
Some people view the findings with caution, noting that a cause-an&effect relationship between passive smoking and cancer remains______
A.to be shown
B.to have shown
C.to have been shown
D.being shown
患者,女,32岁。平索性情急躁,常感胸闷,胁肋胀痛,月经不调,因感受温热之邪出现发热,微恶风寒,头痛,咽喉肿痛,舌边尖红,苔薄黄,脉浮数。治疗应首选
A.薄荷、银花、连翘B.荆芥、防风、升麻C.羌活、独活、木通D.麻黄、桂枝、柴胡E.柴胡、薤白、射干