Manyothernewtechniquesarenowavailablethatenablemoreresearch___(do)inthetesttubetoseeifchemicalsproduceharmfulbiologicaleffects.
Apartfromherdevotiontoherwork，Elizabethwasalsolovedforher___(warm)andhumor.
发展先进的生产力是实现我国最广大人民根本利益的()
Itwillbeinterestingtoseewhat’sgoingtohappenatthenext________(elect).
在研究下列物体的运动时，能将物体作为质点处理的是
