甲状腺 * * 状癌淋巴转移途径有()
A.气管前和气管旁淋巴结
B.下颈深和颈外侧深淋巴结
C.腺体旁和上颈深淋巴结
D.颌下淋巴结
E.以上皆是
参考答案:E
At the meeting they discussed three different ________ to the study of mathematics.[ ]
A. approaches
B. means
C. methods
D. roads
为了防治脂肪肝,要注意增加食物中的()
A.蛋白质
B.粗纤维
C.卵磷脂
D.淀粉
E.糖