国际性游泳比赛中,比赛时起码的水温是多少摄氏度()
A.15℃
B.20℃
C.24℃
参考答案:C
We ate rice and chicken yesterday and we ate noodles ________.
A.as far as
B.as soon as
C.as well
D.as well as
侵蚀性葡萄胎与绒毛膜癌的诊断,哪项是正确的()
A.有肺转移者为绒癌
B.有黄素囊肿者为侵蚀性葡萄胎
C.镜下未找到绒毛结构者为侵蚀性葡萄胎
D.前次妊娠是足月产者为绒癌
E.葡萄胎排出后,半年内恶化者为绒癌