Hecouldnot________histearsonhearingthathewasnotadmittedtotheuniversity
B
暂无解析
InAugust1977,asatellitetogatherdataaboutthe10millionblackholeswhicharethoughttobeintheMilkyWay.
Althoughtheyagreethatlifeisimportantandshouldberespected,theyfeelthatthequalityoflifeshouldnot__(ignore).
Manyothernewtechniquesarenowavailablethatenablemoreresearch___(do)inthetesttubetoseeifchemicalsproduceharmfulbiologicaleffects.