在“新月沃地”东部,__________河与__________河并行。公元前3500年以后,在两河流域建立起许多奴隶制小国的是__________人。
幼发拉底、底格里斯、苏美尔
Harriet is lost and her parents are really________her.
A.interested in B. afraid of C. busy with d. worried about
车前草在贮存中容易发生
A.郁金B.藜芦C.甘遂D.草乌E.三棱