a/chứng minh CB vuông góc CE( ko cần làm) b/vẽ tia đối tia CB.ko dùng định lí tổng 3 góc trong 1 tam giác.tính CFE

mấy bn giúp mik với mik pk nộp now!! giải thích nha!!

1. On the _______ to the village, we saw a big hotel. A. way B. entrance C. direction D. street 2. People buy food and small things at the _______. A. news agency B. grocery store C. farm D. village 3. _______ does it take to get there? _ About 15 minutes. A. How far B. How long C. How much D. How fast 4. The weather is nice. Shall we _______ mountain this morning? A. go B. travel C. come D. climb 5. Girl: “Excuse me, what’s the time?” – Boy: “Sorry. I _______.” A. don’t see B. know C. won’t know D. don’t have a watch 6. Tom: “Are you free this coming Sunday?” – Mary: “_______.” A. Yes, I will B. No, thank you C. Yes, I can D. I think so. Why? 7. Mom: “Are you hungry?” – Son: “_______” A. Yes, I do B. Soon C. Right now D. Yes, a little 8. A: “Good morning. My name is Turner. I have a reservation.” – B: “_______.” A. What do you want? C. I haven’t decided yet. What about you? B. Yes, a single room for two nights. D. What do you like? 9. Hung: “You have a good voice. You sang so beautifully!” – Lan: “____________.” A. The same to you C. You, too B. Thanks for your compliment D. Thank a lot 10. Tom: “How did you go to this city?” – John: “_______________.” A. I came here by the coach C. I came here by train B. I came here last night D. I came here by foot

calli thích nl:định tỏ tình nhưng sợ bị từ chối wa T^T

Trong các bước vẽ hình tĩnh vật lọ hoa và quả, bước nào là quan trọng nhất? Tại sao?

Olivia: "Shall we go to the art gallery tomorrow?" Daisy: "______ The weather forecast says there will be heavy rain." A Not at all. B Never mind! C I’m afraid we can’t.

Guide: Welcome to all of you ... can everyone see me and hear me? Good, my name’s Cathy, and I’m here to tell you about the special programme of events going on here at the Royal Observatory. Yes, it’s Doors Open Day here in (1) ……………………………… and we’re delighted that you have chosen to make this very special building part of your (2) ……………………………… open doors day experience. Now, I’ll make a start with giving you some background information about the Doors Open event. Doors Open takes (3) ……………………………… every year in September and the Observatory is one of the many buildings - (4) ……………………………… of them in fact - that open their doors to visitors for one weekend and yes, there’s absolutely (5) ……………………………… charge, it’s all completely free. The observatory has been (6) ……………………………… in this event for more than 20 years - and every year we (7) ……………………………… more and more visitors - like you - who want to find out more about great buildings in the city! And hopefully, you’ll leave with a better understanding of the universe too! OK, now let’s run through today’s programme of events. There are many activities to choose from so make sure you make the most of your visit. Now, there will be planetarium shows (8) ……………………………… the day. Now, these will run four (9) ……………………………… both today and tomorrow - Sunday. These are popular so, please note that we are operating a booking system for these shows. Tickets for the two shows we’re running this morning - the first showing at (10) ……………………………… and the second at 11.30 - will be available on a first-come first served basis here - at the information point. Tickets for the two afternoon shows at 2pm and then at 3pm will be released later on - at (11) ………………………………. So booking is (12) ……………………………… as spaces go very quickly.

giúp mình nhanh nhá mình cần gấp 1) 5 mũ2. 48 + 53. 5 mũ2 − 25 2) 3mũ4 − 2. (53 − 2. 5mũ2) 3) 20 − [30 − (5 − 1)mũ 2] 4) 100:{250:[325 − (4.5mũ 3 − 2mũ2. 50)]}

Nhanh cần gấp Không cần giải thích

cho tam giác abc vuông tại a ,đường cao ah. từ điểm M bất kì kẻ md vuông góc với ab,me vuông góc với ac.chứng minh 5 điểm a,d,m,h,e cùng thuộc 1 đường tròn. giúp e với ạ ,e đang cần gấp í .e sẽ vote và trloi hay nhất ạ