肾母细胞瘤的临床特点是()。
A.血尿
B.腰痛
C.腹部包块
D.高血压
E.发热
参考答案:B
I was scared _______ when I saw the tiger jumped out of the cage and ran to the little child.
A.to the death
B.of death
C.into the death
D.to death
检查分油机盆心轴的轴承座是否损坏时,可将()直接放入其中转动来辨别。