Bài tập trắc nghiệm 16 unit tiếng anh 12 kèm đáp án

... quay m t góc c c i ϕMAX b ng theo chi u dương? t i th i i m nào? A 625rad 50s B 125 0 rad 100 s C 625 rad 100s D 125 0 rad 50 s Câu 31: M t c t dài 2,0m ng ch t, ti t di n u ng cân b ng m t t n ... v i t c góc 4rad/s n có t c góc 5rad/s 9J H i mômen quán tính c a cánh qu t b ng bao nhiêu? B 1 ,125 kgm2 C 1,000kgm2 D 2,000kgm2 A 0,720kgm2 Câu 17: M t ròng r c có ng kính 10cm có th quay quanh...

Ngày tải lên: 23/12/2013, 09:15

Ngày tải lên: 15/03/2015, 21:27

... hai dao động điều hòa phương chu kì T=2s Dao động thứ thời điểm t= có li độ biên độ 1cm Dao động thứ hai có biên độ cm, thời điểm ban đầu có li độ vận tốc âm Biên độ dao động tổng hợp hai dao động ... điểm bị giảm dao động là: A 5% B 9,7% C 9,8% D 9,5% Câu Phát biểu sau sai nói dao động tắt dần: A tần số dao động lớn dao động tắt dần chậm B Cơ dao...

Ngày tải lên: 10/08/2015, 20:28

Ngày tải lên: 17/08/2013, 08:52

... 10/10 …………………… 22/12……………………… 7/ 5 ………………… 2/9 ……………………… 10 27/ 7 ………………… VI Em sếp câu sau thành hội thoại hợp lí 1/…………………… 2/ …………………… 3/ …………………… A It’s on April , 27 th B Today is April 23rd C ... are you talking to ? Why are you unhappy ? 10 Which class are you in ? g About 7km h It’s bigger i 78 Hoang Hoa Tham Street j 13 years old VIII Em cho từ trái nghĩa từ sau new ………… far ………...

Ngày tải lên: 17/05/2014, 15:08

Ngày tải lên: 04/07/2014, 15:46

... – tapped b was looking - tapped c was looking – tap d was looking - was tapping 38/ The door suddenly and a stranger into the room a was opening – walked b opened - was walking c opened ... American cities a b c d 50/ Susan asked David where she leaves her glasses a b c d 23/ Trang 36 - Maõ ñeà thi 323 ... into the room a was opening – walked b opened - was walking c ope...

Ngày tải lên: 28/07/2014, 07:21

... raised at the last meeting d That question was raised at the last meeting by no one Trang 33 - Maõ ñeà thi 322 ... mother saw me at school 35/ At present they are visiting all parts of the country They are doing this a all the time b now c in future d for a short time 36/ David comes from Paris but he ... She is able French very fluently a to speak b to speaking c speak d speaking 33/ N...

Ngày tải lên: 28/07/2014, 07:21

... than he does now 32/ This cheque hasn't been signed a Someone has signed this cheque b No one hasn't signed this cheque c Someone hasn't signed this cheque d No one has signed this cheque 33/ The ... strange behavior a This is the first time for us to see a strange behaviour b This is the strangest behaviour we've ever seen c This is the strangest behaviour we've never seen d This is the firs...

Ngày tải lên: 28/07/2014, 07:21

... will send this parcel to your friend's address a This parcel to your friend's address will be sending by the shop b This parcel to your friend's address will be sent by the shop c This parcel ... meeting? a b c d 50/ The police prevented the motorist to drive home drunk a b c d Trang 27 - Maõ ñeà thi 320 ... address will be sent by the shop c This parcel will be sending to your friend's...

Ngày tải lên: 28/07/2014, 07:21

... resort before a This is the first expensive resort for us to stay b This is the most expensive resort that we stay at c This is the first time we've stayed at such an expensive resort d This is the ... questioning by the police d He is being for further questioning held by the police 32/ Trang 24 - Maõ ñeà thi 319 ... He fell down in his yard c He was very old d He was struck by lightni...

Ngày tải lên: 28/07/2014, 07:21

... have to be done in this test a There’re 45 sentences to be done in this test b There’re 45 sentences to have to be done in this test c There’re 45 sentences has to be done in this test d There’re ... would be interesting to know why this has happened! Chess takes time and thought, but it is a game for all kinds of people Trang 21 - Maõ ñeà thi 318 chess (n) = môn cờ attack (v) = công...

Ngày tải lên: 28/07/2014, 07:21

... crossings Of course, it is safest to be directed by a policeman or a traffic warden Trang 18 - Maõ ñeà thi 317 Roads are dangerous However, if everyone takes care when crossing the road, there will ... will not be safe c Fewer traffic accidents will happen d The roads will be widen Trang 19 - Maõ ñeà thi 317 ... to go d go 22/ They always avoid by bus a travel b traveling c to tra...

Ngày tải lên: 28/07/2014, 07:21

... than c far than d farther than 45/ If all the pollution goes on, the world like a second-hand junk-yard a will end b ended c would end d ends Chọn từ mà phần gạch chân có cách phát âm khác ... get d send 49/ a rose b lose c close d chose 50/ a control b folk c remote d shout Trang 12 - Maõ ñeà thi 316 ... c What d What about 29/ Do you have an trip? a excitedly b excited c excite d exci...

Ngày tải lên: 28/07/2014, 07:21

... the twentieth Trang 11 - Maõ ñeà thi 315 41/ 42/ 43/ 44/ 45/ 46/ 47/ 48/ 49/ 50/ a on b by c in d They moved to Thailand May 17 a for b in c on d You eat so many sweets-it’s bad for your teeth ... couldn’t used to being has been cover where belonging whom d more important where Trang 12 - Maõ ñeà thi 315 ... motor car in 1885, and in 1907, two hundred motor buses came to London No...

Ngày tải lên: 28/07/2014, 07:21