Cho tam giác ABC vuông tại A có M là trung điểm của BC. Trên tia đối của tia MA lấy điểm N sao cho MN=MA. a) Chứng minh: AB = NC , tam giác CAN vuông b) Chứng minh: AM = 1/2 BC c) Kẻ MK vuông góc với BN , MI vuông góc với AC . CM I, M , K Thẳng hàng

p= 3ab+2b mũ 2 / -b mũ 2 +5ab (a,b khác 0 ) với a mũ 2 - 3ab =0

biểu cảm về một miền đất mà em yêu mến

1.                     ? - There’s some meat and some rice.

            A. What’s for lunch?                                   B. What’s lunch?

            C. What’s lunch for?                                   D. Where’s lunch for?

      2.   Coffee is                    .                

            A. favourite my drink                                  B. my favourite drink

            C. drink my favourite                                  D. my drink favourite

      3.   What would you like? -                   .          

            A. I like some apple juice.                          B. I’d like any apple juice.

            C. I’d like some apple juice.                       D. I’d like an apple juice.

      4.   My hobby is              .

            A. cooking                 B. cook                      C. to cooking            D. cooked

      5.   We hate                       the dishes.

            A. wash                      B. to washing            C. washed                 D.  washing

      6.   I do not have              oranges, but I have               apples.

            A. any – any              B. some – any           C. any – some           D. a – some

      7.   Where is there                       ?

            A. drinking                B. drink                      C. drank                     D. to drink

      8.   There is                       fruit juice in the fridge.

            A. any                        B. some                      C. a                             D. many

9.         Can you tell me                     this dish?

  A.to cook          B.how to cook                 C. cooking                       D.how to cooking

10.       What               do I need to cook an omelette?

  A. food              B. material                       C.menu                            D. ingredients

11.       In Viet Nam, spring rolls are served                     at a family gathering or anniversary dinner.

  A. most              B. almost                         C.mostly                          D. most of

12.       “What is your                        dish for breakfast?” - “It’s beef noodle soup.”

  A. favourite      B. most                             C.best                               D. liking

13.       How many                 do you eat every day?

  A. orange           B. milk                             C.apple                            D. apples

14.       Cakes in Viet Nam are made                      butter, eggs, and flour.

  A.in                    B. from                             C. of                                 D. by

15.       Lan’s brother is a                  , working at the Metropolitan Restaurant.

  A. cooker          B. cooking                       C.chief                             D. chef

16.       What               drink do you like most?

  A. nation           B.foreign                          C. foreigner                     D.favourite

17.       “Do you want to                   this new dish of noodle I have just cooked?”

  A. like                B.try                                 C.drink                             D. make

18.       The eel soup that your father has just cooked tastes very                       .

  A. well               B. best                              C. healthy                        D. delicious

19.       There isn’t                 for dinner, so I have to go to the market.

  A. some left      B.any leaning                  C.some leaving               D.any left

20.                               is hot food that is quick to cook, and is served very quickly in a restaurant.

            A. Hot food   B. Fast food   C. Sandwiches          D.Hamburgers