漠北大体处于现在的:()
A、内蒙古
B、蒙古国
C、准格尔沙漠
D、腾格里沙漠
参考答案:B
Some pre-school children go to a day-care center, __________ they learn simple games and songs.
A.then
B.there
C.while
D.where
女性生殖器恶性肿瘤最常见的为
A.子宫颈癌
B.卵巢癌
C.子宫内膜癌
D.磷状细胞癌
E. * * 癌