cho tam giác abc nội tiếp đường tròn đường kính bc diện tích tam giác abc lớn nhất khi ab bằng bao nhiêu giúp mình với ạ mình cảm ơn!

kể về dreamjob bài thuyết trình tiếng anh. ít dài nhưng dùng từ dễ hiểu tầm flyer thôi nhanh nha 15,20 p là mình quay lại nói cho mình nghề bạn tự chọn nha giáo viên kỹ sư bác sỹ hướng dẫn viên. nhân viên ngân hàng +

Choose the correct sentence among A, B, C or D which has the same meaning as the given one. 1. The famous actor was last seen in 2000. A. The famous actor hasn’t been able to see since 2000. B. No one has seen the famous actor since 2000. C. The famous actor didn’t see anyone in 2000. D. No one saw the famous actor until 2000. 2. I came to live here three months ago. A. It was three months since I lived here. B. I’ve been living here for three months. C. I lived here for three months. D. I didn’t live here for three months. 3. We started working here three years ago. A. We worked here for three years. B. We have no longer worked here for three years. C. We have worked here for three years. D. We will work here in three years. 4. It’s a long time since we last went to the cinema. A. We have been to the cinema for a long time. B. We haven’t been to the cinema for a long time. C. We don’t go to the cinema as we used to. D. We wish we went to the cinema now. 5. He last had his eyes tested ten months ago. A. He hasn’t had his eyes tested for ten months . B. He had not tested his eyes for ten months then. C. He had tested his eyes ten months before. D. He didn’t have any test on his eyes in ten months. 6. Someone knocked on the door during my lunchtime. A. I had lunch when someone knocked on the door. B. When I had had lunch, someone knocked on the door. C. I was having lunch when someone was knocking on the door. D. I was having lunch when someone knocked on the door. 7. The last time I saw Rose was three years ago. A. I hasn’t seen Rose for three years. B. I haven’t seen Rose three years ago. C. I haven’t seen Rose since three years. D. I haven’t seen Rose for three years.

Complete the summary using the modal verbs and the correct form of the verbs in brackets. Make one modal verb negative. Reported sightings of the Loch Ness monster (1)......soon.......(will/go on) for a century! In 1933, a man named George Splicer reported seeing something that looked like a plesiosaur, a kind of long-necked marine dinosaur. Some people think such a creature (2)....... very easily.... (could/survive) in the quiet Scottish waters, away from people, while others are convinced that Spicer (3)....... (must/ lie) or that he ......(might /see) a piece of wood covered in green water plants. Most scientists question the whole story and claim that a creature like this (5)....... (can/live) in the loch" for so long without any real human contact. If it was real, they say, it .......(would/capture) by now-or at least caught on film. Others, though, suspect that the monster (7.........(might/develop) special skills that help it to hide from those hunting it. Even today true believers can be found on the shores of the loch trying to spot a beast that (8) ......(should/die out) 65 million years ago.

Phiên âm ra dùm Vd: A./?/ còn lại /?/ cảm ơn

tổng số hạt p,e,n của một ion M3+ là 37. vị trí của M trong bảng tuần hoàn là?

Tìm đa thức bậc 3 biết p(0)=0, p(x+1)-p(x)=3x(x+1)

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Các anh chị giúp em với ạ em đang cần gấp để nộp bài cho thầy giáo ạ em cảm ơn rất nhiều

Nếu so với cầu Thăng Long và cầu Chương Dương sừng sững thì cầu Long Biên chỉ ở vị trí khiêm nhường nhưng tại sao nó lại có ý nghĩa vô cùng to lớn?