砌筑地面以下砌体时,应使用()
A.混合砂浆
B、石灰砂浆
C、水泥砂浆
D、以上三种都可以
参考答案:C
It is reported that there is a $1000 _________ for any information that helps police find the lost relic.
A.price
B.reward
C.pay
D.prize
妇女中最常见的恶性肿瘤是()
A.宫颈癌
B.乳腺癌
C.子宫内膜癌
D. * * 癌
E.卵巢癌