Методическая разработка по английскому языку для студентов факультета химии и химической технологии " Simple Chemistry" Алматы 2017
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мет. разработка по химии
| Past Perfect
We form the Past Perfect with had and a Past Participle (finished, gone). Positive I.you,he, she, it, we, they had gone Negative I.you,he, she, it, we, they hadn’t gone Questions Had I,you,he, she, it, we, they gone? For example: Steve had gone home when I phoned him.(First Steve went home. Later, I phoned him.) When we use the Past Perfect. We use the Past Perfect for something that happened before something else in the past. We use the Past Perfect for the things that happened first; we use the Past Simple for the things that happened later. For example: When I got home, I saw that the letter had arrived. (First, the letter arrived. Later I got home and saw it.) When he had finished his homework, he went to bed. (First, he finished his homework. Later, he went to bed.) He couldn’t pay the bill because he had left his wallet at home. (First, he left his wallet at home. Later, he couldn’t pay the bill.) Vocabulary chemical bonding – химическая связь mixture – смесь to separate – отделять mechanical means – механические средства heterogeneous – неоднородный, гетерогенный salad – салат piece – кусочек to pick out – взять simple – простой to sift – просеивать, выбирать through – через to pick out – выбирать radish – редиска to contain – содержать particle – частица too – тоже liquid – жидкость manually – вручную must – должен to use - использовать sophisticated method - сложный метод to imagine – представить себе sandbox – песочница bit – частица, кусочек broken glass – битое стекло need – необходимость to sort – сортировать filter – фильтр particle – частица glass chip – кусок стекла mesh filter – сетчатый фильтр let – позволять to pass – проходить to use – использовать purification methods – методы очищения dialysis tubing – метод диализа fine filter – мелкий фильтр dissolved glucose – растворенная глюкоза жүктеу/скачать 422,31 Kb. Достарыңызбен бөлісу:
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