单项选择题
A.人类独自把前人的智慧和经验传授给下一代。 B.只有人类才能把以前的智慧和经验传授给下一代。 C.只有人类才能把前人的智慧和经验传授给下一代。 D.人类独自把以前的智慧和经验传授给下一代。
Today the electronic computer is used in solving mathem...
单项选择题Today the electronic computer is used in solving mathematical problems having to do with weather forecasting and putting satellite into orbit(轨道).()
A.今天电子计算机应用于解决一些数学问题,这些问题不得不处理天气预报和把卫星送入轨道。 B.今天电子计算机被用于解决数学问题,这些问题与天气预报和把卫星送入轨道有关。 C.今天电子计算机不得不被用于解决天气预报和把卫星送人轨道一类的数学问题 D.今天电子计算机利用解决数学问题的方法处理天气预报和把卫星送人轨道等问题。
After reading his daughter's letter,the old man was so ...
单项选择题After reading his daughter's letter,the old man was so disappointed that he tore it into pieces with trembling fingers.()
A.老人读完女儿的信后失望至极,竟用颤抖的手指把它撕得粉碎。 B.读完女儿的信后,老人很失望,然后用颤抖的手指把信撕得粉碎。 C.老人读完女儿的信后很生气,竟用颤抖的手指把信扔到地上。 D.读完女儿的信后,老人很伤心,所以用颤抖的手指把它撕碎了。
No sooner () I left the library than it began to rain. ...
单项选择题No sooner () I left the library than it began to rain.
A.had B.when C.that D.as