甲状腺滤泡状癌行甲状腺切除术后复发( )
A.血清甲状腺球蛋白升高B.血清降钙素升高C.血清甲状旁腺素升高D.血清垂体促甲状腺激素升高E.血清T3、T4升高
参考答案:A
施工测量中主要用于测高程的仪器是( )。
A.经纬仪B.水准仪C.照准仪D.倾角仪
One reason for the successes of Asian immigrants in the U.S. is that they have taken great() to educate their children.
A. efforts
B. pains
C. attempts
D. endeavours