更多"There is always a wide (various) __"的相关试题:
[填空题]There is always a wide (various) ______ of objects on display at Shanghai Museum.
[单项选择]Experimenting with household objects can often get young people in trouble, but for one intelligent, inquisitive boy, it created the foundation of his future. Young Henry Ford discovered through his curious mind that many objects were useful for much more than their intended purposes. For example, he used to tinker with his father’s fanning tools to see what they could do. He used his mother’s darning needles to help him repair watches. And once, in an effort to study the power to steam, he sat and watched water boil in his mother’s teapot. Little did Ford know that these experiments would lead him to creating a means of transportation that would change the world forever.
Henry Ford was born on July 30, 1863, near Detroit, Michigan. He was the oldest of six children and the grandson of immigrants from Ireland who came to America in 1847. His family were farmers, and he grew up on the family farm where he began to develop mechanical skills. Through his experiences on the farm with
A. move from one place to another
B. stay in one place and not move
C. move in two directions
D. stay in more than one place
[单项选择]
Cancer has always been with us, but not always in the same way. Its care and management have differed over time, of course, but so, too, have its identity, visibility, and meanings. Pick up the thread of history at its most distant end and you have cancer the crab—so named either because of the ramifying venous processes spreading out from a tumor or because its pain is like the pinch of a crab’s claw. Premodern cancer is a lump, a swelling that sometimes breaks through the skin in ulcerations producing foul-smelling discharges. The ancient Egyptians knew about many tumors that had a bad outcome, and the Greeks made a distinction between benign tumors (oncos) and malignant ones (carcinos). In the second century A. D. , Galen reckoned that the cause was systemic, an excess of melancholy or black bile, one of the body’s four "humors,, brought on by bad diet and environmental circumstances. Ancient medical practitioners sometimes cut tumors out, but the progno
A. called cancer the crab
B. were able to distinguish benign tumors and malignant ones
C. found out the cause of cancer
D. knew about a lot of malignant tumors
[单项选择]Experiments in the photography of moving objects （ ） in both the United States and Europe well before 1900.
A. were conducting
B. have been conducting
C. had been conducted
D. had conducted
[填空题]Houses are normally fairly stationary objects, and that’s not considered as a bad thing. But (36) never stands still, and a new kind of house that can walk on six legs has been built. The house is ten feet high, (37) by solar panels, and consists of a kitchen, toilet, bed, and wood stove. Last week, the house, a (38) between MIT and N55, appeared as an art project at the Wysing Art Center. (39) to move at the muscle speed of a human, the house walked at about five kilometers an hour. N55 says the walking house is meant to be an (40) concept that is not harmful to the environment and (41) excursions.
Samuel Kronick, an MIT student, designed the legs and wrote the (42) so that the house can move. The six legs provide high stability even over (43) terrain. And, with high motor function, the house can turn left and right, move forward and back, and even change height as needed. Kronick says
