Keenly(adj):زیرکانه_با اشتیاق_با هوشیاری
Ketchup(n):سس گوجه فرنگی
Kleptomaniac(n):مبتلا به جنون دزدی
Kerosene(n):نفت خام
Ken(n):نظر_بینش_بصیرت
Kipper(n):ماهی دودی/خشک
Kowtow(v):(در چین)سجده کردن
Knoll(n):تپه ی کوچک
Lash into a fury=خشمگین کردن
Strike a light=کبریت زدن
Give full measure=به اندازه دادن
SOURCE:HAIM DICTIONARY
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A telescope (from the Greek tele = 'far' and skopein = 'to look or see'; teleskopos = 'far-seeing') is an astronomical tool which gathers and focuses electromagnetic radiation. Telescopes increase the apparent angular size of distant objects, as well as their apparent brightness. Telescopes used for non-astronomical purposes include theodolites, transits, spotting scopes, monoculars, binoculars, camera lenses and spyglasses.
The word "telescope" usually refers to optical telescopes, but there are telescopes for most of the spectrum of electromagnetic radiation.
Radio telescopes are focused radio antennas, usually shaped like large dishes. The dish is sometimes constructed of a conductive wire mesh whose openings are smaller than a wavelength. Radio telescopes are often operated in pairs, or larger groups to synthesize large "virtual" apertures that are similar in size to the separation between the telescopes: see aperture synthesis. The current record is many times the width of the Earth, utilizing space-based VLBI telescopes such as the Japanese HALCA VSOP satellite. Aperture synthesis is now also being applied to optical telescopes using optical interferometers (arrays of optical telescopes) and Aperture Masking Interferometry at single telescopes.
X-ray and gamma-ray telescopes have a problem because these rays go through most metals and glasses. They use ring-shaped "glancing" mirrors, made of heavy metals, that reflect the rays just a few degrees. The mirrors are usually a section of a rotated parabola.SOURCE:INTERNET
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1-The fire spread all over the antique bookshop and ......... all the valuable books and manuscripts in it.
(a) killed
(b) destroyed
(c) liquidated
(d) removed
2-The plague in the nineteenth century was a terrible disease that ......... millions of people.
(a) killed
(b) murdered
(c) executed
(d) destroyed
3-Since Alice retired her life has been deprived of emotions — no business meetings, trips or cocktail-parties. The routine of her present life simply ..........
(a) destroys
(b) kills
(c) demolishes
(d) crashes
SOURCE:HTTP://WWW.ENGLISH_TEST.NET
+ نوشته شده در دوشنبه دوم مرداد 1385ساعت 0:8  توسط maryam_ehsan
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