January 2019 0 74 Report
W sytuacji jak na rys oblicz, z jaką siłą naprężona jest lina i z jaką siłą (co do kierunku i wartości) ściana podpiera belkę. Długość l belki wynosi 8m i ma ona ciężar 200N. Przyjmij, że inżynier stoi 3m od ściany i ma ciężar 800N oraz, że kąt wynosi 53°
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1. Write the missing reflexive or reciprocal pronoun in these sentencesa) He fell down the hole and found in a dark cave.b) I had a lot of free time over the summer, so I taught Spanish. I'm quite fluent already!c) The three climbers worked as a team and helped to survive.2. Read the summary of Daniel Defoe's Robinson Crusoe and put the verbs in bracket into the correct tense. Daniel Defoe's Robinson Crusoe is a novel in which the title character is (be) an English adventurer. One day, his ship ____ (break) and ____ (sink) in a violent storm, but he ____ (manage) to save himself and ____ (swim) to the shore of a remonte island. Initially, he ____ (find) nobody there and ____ (decide) to bulid a fort to defend himself. He ____ (hunt), ____ (grow) vegetables and ____ (read) the Bible. At one point, he ____ (discover) that native cannibals ____ (visit) the island from time to time to carry out their ritualistic executions. Crusoe ____ (help) one of their prisoners, ____ (name) him Friday and ____ (make) him his companion-servant. Unexpectedly, an English ship ____ (appear) with mutineers onboard. Crusoe ____ (take) control of the ship and ____ (sail) back to England.3. Select the correct preposition or adverb and insert it into the sentences. Some words will not be used at all.for, since, never, already, just, so far, recentlya) Susan Morrison has been exploring South Africa ____ three months.b) Jessica Watson's biggest achievement ____ has been her solo voyage around the world.c) Susie has dreamt of visiting New Guinea ____ she read Malinowski's travelogues.4. Put the verbs in brackets into the correct tense: present simple, present continuous or present perfect. Mountaineering or mountain climbing ____ (be) one of the most dangerous sports. However, it ____ (become) more and more popular among young people. A Czech student, Jaroslav Mrozic, ____ (be) one of them. He ____ (be) only seventeen and he ____ (already/climb) some of the most difficult climbing routes in Europe. He ____ (not reach) the summit of any of the 14 mountains that are more than 8,000 meters above sea level (eight-thousanders) yet, but he ____ (prepare) just now for his first attempt at one of the eight-thousanders located in Nepal. Those who _____ (be) interested in mountaineering probably ____ (know) who the first person to reach the summits of all the eight-thousanders was. It was Reinhold Messner in 1986. Since the 20 people in total ____ (climb) all the 14 highest summits on Earth. It may well be that Mrozic will soon join this honourable group. Tylko za wszystkie zrobione dam naj !
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