关于侵蚀性葡萄胎的诊断,下列哪项是正确的
A.光镜下见不到绒毛膜结构
B.葡萄胎排出后不足半年内发病
C.不发生脑转移
D.能查到卵巢囊肿者
E.血hCG异常升高
参考答案:B
水果市场原有120吨苹果,一辆卡车一次限载9吨,已经运了5次,剩下的至少需要多少次才能运完?
情景交际。
A: What are you doing for vacation?
B: I'm going to San Francisco.
A: 1. _______. Who are you going 2. _______ ?
B: I'm going with my family.
A: 3. _______?
B: I'm going on the llth.
A:4_______
B: l'm staying there for a week.
A: How are you getting there?
B: I'm 5. _______a plane.
A: I wish you a good trip.
B: Thank you.