Bài 2 : Cho hình chóp S.ABCD có đáy là hình vuông cạnh a; SA vuông (ABCD) và SA = a căn 6. Tính các góc giữa: a)SB và CD b)SB và AC c)SO và AD d)SC và (ABCD) e)SC & (SAD) f) SB & (SAC) g)AC & (SBC)

IV.Rewrite 1.She isn’t strong. She is ........................ 2. his hair is short and black. he........................ 3.he has full lips. his........................ 4.her face is oval. she........................ V.Answer 1.what color is your hair? ........................ 2.are your lips thin ? ........................ 3.What color are your eyes ? ........................ 4.Do you have a round or oval face ? ........................

Vẽ 1trong những đề sau đuây ( Anime thụ les / đậu mầm đang iu / chibi dthw )

|id|;|t| ;|d| lấy vd cho tung cai

II. Choose the most suitable answer 11.We watched TV the whole evening _________ we had nothing to do. A. because B. so C. although 12.The football match still continues in spite of the heavy rain. A. although B. because C. despite 13. _________ her severe pain, she tried to walk to the university to attend the lecture. A. Because B. Although C. In spite of 14.He was offered a job _________ he had no experience. A. despite B. although C. in spite of 15. _______________, he managed to walk to the nearest station. A. Although being tired B. In spite being tired C. Despite being tired 16.Jimmy can speak English _________ French fluently. A. but B. and C. also 17.She couldn’t unlock it _________ she had the wrong key. A. because B. and C. so 18.The film was boring _________ we went home. A. And B. but C. so 19.I woke up late this morning. _________, I went to school on time. A. Although B. however C. because 20.I studied hard for the exam. _________, I failed. A. Because B. in spite of C. Nevertheless

1 He's (play)____badminton 2 She (vistit)____ her friends yesterday

THE SAHARA MARATHON One of the most amazing marathon races in the world is the Marathon of the Sands. It takes place every April in the Sahara Desert in the south of Morocco, a part of the world where temperatures can (1) ________ fifty degrees centigrade. The standard length of a marathon is 42.5 kilometres but this one is 240 kilometres long and takes seven days to complete. It began in 1986 and now attracts about two hundred runners, the majority of (2) ________ ages range from seventeen to forty-seven. About half of them come from France and the rest from all over the world. From Britain it costs £2,500 to enter, which includes return air fares. The race is rapidly becoming more and more popular (3) ________, or perhaps because of, the harsh conditions that runners must endure. They have to carry food and anything else they need for seven days in a rucksack (4) ________ no more than twelve kilograms. (5) ________ this, they are given a liter and a half of water every ten kilometres. Incredibly, nearly all the runners finish the (6) ________. One man, Ibrahim El Journal, took part in (7) ________ race from 1986 to 2004. Runners (8) ________ suffer terrible physical hardships. Sometimes they lose toenails and skin peels (9) ________ their feet. However, doctors are always on hand to deal with minor injuries and to make sure that runners do not push (10) ________ too far.

Giải Câu 2 trang 57 SBT Địa Lí 8 | Em hãy a, Xác định các điểm cực trên phần đất liền Việt Nam và ghi tên các điểm cực này lên lược đồ. b, Đo và tính khoảng cách từ điểm cực Bắc đến điểm cực Nam (theo đường chim bay) dài bao nhiêu km? c, Đo và tính khoảng cách (theo đường chim bay) từ Đông sang Tây, nơi rộng nhất (AB) nơi hẹp nhất (CD) trên phần lãnh thổ đất liền nước ta.

Some sports or activities have traditionally been (1) _______ with people, even though it is not always clear why. Skateboarders, for instance, are expected to (2) _______ teenagers wearing clothes four sizes too big for them. When you come to think of it, there’s (3) _______ practical reason why people over the age of 21 shouldn’t take up the sport. Skateboarding involves a certain (4) _______ of falling off the board, (4) _______ can of course be painful, but this also (6) _______ to other sports like skiing or surfing. Sports should not be restricted to teenagers. There is (7) _______ wrong with a grown - up gliding down the road on his or her board. At the same time, I must confess that I (8) _______ a certain sympathy for my niece Emily when her father, my older brother Tom, announced that he was going skateboarding with her. At the age of 14 you are very conscious of what other people think of you. She knew all her friends would laugh at her if she arrived for the regular Saturday morning skateboarding sessions in the local park with her dad. Emily felt (9) _______ embarrassment would be more than she could bear, so she kindly asked her father if he could go skateboarding somewhere else. Tom realized how embarrassed Emily must felt and (10) _______ out laughing.

It is sometimes suggested that tornadoes never strike big cities. In an attempt to (1) _______ this theory. Some say that the higher temperatures at the centre of large urban areas, together with the air turbulence created by very tall building, somehow (2) _______ to disrupt tornadoes, or even keep them away entirely. (3) _______ is made of the apparent lack of recorded cases of severe damage to major cities. The (4) _______, however, is rather different. While it is true that smaller tornadoes do indeed seem to be less common in the middle of cities (5) _______ by millions of people, claims by their citizens that they are in some way immune to the effects of major tornadoes would seem to be no more than wishful (6) _______. For a start, a couple of degrees difference in (7) _______, or a handful of 200-metre office blocks, are hardly likely to impede the (8) _______ of the kinds of 12-kilometre-high monsters seen in recent years. Equally unconvincing is the argument that ‘big cities are never hit’. Most people, when they think of a city, tend to imagine (9) _______ like downtown New York or Tokyo, when in reality this is a very small ‘target’ area. Unfortunately, there are plenty of well-documented cases of severe destruction to suburbs, which form by far the most extensive part of any big town. It is only by (10) _______ that a densely populated city centre has not yet been hit – but sooner or later it is bound to happen.