男性，40岁，因吞咽哽噎感发现食管中段直径2cm平滑肌瘤，目前最佳的治疗方法为
A. 经胃镜摘除
B. γ刀
C. VATS肿瘤摘除
D. 食管部分切除
E. 开胸肿瘤摘除
Which of the following conclusions does the passage support
A. The human body requires large amounts of most hormones.
B. Synthetic hormones can replace a person's natural supply of hormones if necessary.
C. The quantity of hormones produced and their effects on the body are related to a person's age.
D. A short child of tall parents very likely has a hormone deficiency early in life.
可见光固化器手柄消毒选用
A. 酒精
B. 碘伏
C. 戊二醛
D. 氯己定
E. 次氯酸钠
线性方程式是
A. x＝y+a
B. y＝a+x
C. y＝b±ax
D. y＝bx
E. y＝bx+a
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