语法与词汇Wild eagles that survive to adulthood are believed ________ from 20 to 30 years.
语法与词汇In area, Montana is the fourth largest state in the United States,---- it ranks forty-fourth in population.
语法与词汇Although oriental ideas of woman's subordination to man prevailed in those days,she_______ meet with men on an equal basis.
语法与词汇Not until the First World War ______ to improve the road system in the United States.
语法与词汇The Spanish (claiming) title to (all of) North America and established the (oldest city) inthe United States, St. Augustine, Florida, (in) 156
语法与词汇------to vapour without passing through the liquid phase is called sublimation.
语法与词汇(It was) the (split of) eleven southern (states) from the Union in 1861 that (leading) to the Civil War in the United States.
语法与词汇It displease my parents when Richard and I stay out late every night.My parents don't approve____.
语法与词汇In 1913 (when) he (was) only 18 (year old), Leo Sowerby''s violin concerto was (performed by) the Chicago Symphony.
语法与词汇The twentieth century has been a period of enormous growth in mathematical research and in the number of mathematicians and fields __________them.
语法与词汇SL became the first VS woman ___ abroad the RM space station.
语法与词汇Since prehistoric times,artists (have been) arranged colors on surfaces (in ways) (that express) their ideas (about people) ,the world ,and religion.
语法与词汇Lenses, _____, are used to correct imperfection in eyesight.
语法与词汇Gw. was the first Black woman-----the Pulitzer Price of poetry.
语法与词汇In the Arctic tundra, ice fog may form under clear skies in winter, ____ coastal fogs or low stratus clouds are common in summer.
语法与词汇The settings of Eudora Welty’s stories may be rather limited, but ____about human nature is quite broad.
语法与词汇The feathers of birds (not only) protect their skin from injury and conserve (body heat), but also (function) in flight, courtship, camouflage, and sensory (perceptive).
语法与词汇The total mass of all asteroids in the solar system is much less ______ mass of Earth’s Moon.
语法与词汇The "method", (which is) both a style of (acting a )system of training for the actor, stresses (inner) motivation and psychological (truth.)