【简答题】Many foreign words and phrases have______ (rich) the English language.
【简答题】The invention of the electric telegraph gave birth to the communications industry. Although Samuel B. Morse succeeded in the invention useful in 1837, it was not until 1843 that the first impor...
【判断题】每秒内交流电交变的周期或次数叫做频率,用符号f表示,单位为Hz。()
【单选题】The shock of the electric catfish is more unpleasant than that of the torpedo or electric eel.
【简答题】Many foreign words and phrases have______ the English Language, (rich)
【简答题】One of the advantages of the gasoline car over the electric one is that the gasoline car is relatively ______ to refuel.
【单选题】The electric plates on the electric eel are supplied with nerves from its brain.
【单选题】The electric plates on the electric eel______.
A.
run along the length of its body
B.
are found on sides of its head
C.
are located in its head
【简答题】A【51】of foreign words still look like foreign words; there are often expressions which【52】originally used by people who wanted to sound particularly well-educated. It was the desire to be scholarly th...
【简答题】The invention of the electric telegraph gave birth to the communications industry.Although Samuel B.Morse succeeded in the invention useful in 1837,it was not until 1843 that the first importan...