语法与词汇Geometrically, the hyperbolic functions are related to the hyperbola, ____ the trigonometric functions are related to the circle.
语法与词汇In 1974, US president R.M. was charged with obstructing justice, (abusing) his constitutional (authoritative), and failing (to obey) subpoenas demanding (he appear) in court.
语法与词汇---- where the American craft movement seems to have flourished most vigorously, partly through its association with the Prairie School of Architecture.
语法与词汇(When) rocks are (picked up) by moving water, they are gradually (reduced size) by (the) breaking away of the edges and corners.
语法与词汇Stage producers Klaw and Erlanger were the first to eliminate arguments among leading performers _______in order of appearance, instead of prominence.
语法与词汇_____ skeleton of an insect is on the outside of its body.
语法与词汇The presence in the US during the second world war of ___ European su... was decisive in the development of AE.
语法与词汇First (reported by) Spanish explorers in 1796, (the asphalt) in California''s La Brea Tar Pit was mined (commercial) for (many) years.
语法与词汇Obsidian is (formed) (when) siliceous lava (cools) too rapidly to (crystallized) into rock-fanning minerals.
语法与词汇When the US C authorized a postal service in 1789, ___ 75 local offices.
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.