Manyothernewtechniquesarenowavailablethatenablemoreresearch___(do)inthetesttubetoseeifchemicalsproduceharmfulbiologicaleffects.
to be done
暂无解析
Mrs.Weinsteinbravelyandpersistentlyusedeveryskillandpowershehadtoherattackertosimplytakehercarandnotherlife.
Expertshavefoundthatnormalsleepcanbedividedintofive______stages
Herfatherleftherallhismoneywhenhedied,whichmadeherfinancially_(dependent)
Hecouldnot________histearsonhearingthathewasnotadmittedtotheuniversity
Itisessentialthateverythinginadvance.（）
