颅内巨大动脉瘤的瘤径为（）
A.直径<5mm
B.直径<15mm
C.直径>15mm
D.直径>25mm
参考答案：D
Phoenix is a very nice city with plants and flowers ___the year round.
A．grown
B．planted
C．planting
D．growing
胰液进入肠道首先被肠激酶激活的酶是
A．磷脂酶BB．淀粉酶C．胰蛋白酶原D．糜蛋白酶原E．蛋白酶
