After a long day at work, nothing is better than a good (23) __________!Just like on the Earth, in space an astronaut goes to bed at a certain time, then wakes up and prepares for work again. There are a few differences though. Space has no "up" or "down," but it does have microgravity. As a result, astronauts are weightless and can sleep in (24) __________ orientation. However, they have to attach themselves so they don"t float around and bump into something. Space station crews usually sleep in (25) __________ bags located in small crew cabins. Each crew cabin is just big enough for one person. Generally, astronauts are scheduled for eight hours of sleep at the end of each mission day. ‎(26) __________on the Earth, though, they may wake up in the middle of their sleep period to use the toilet, or stay up late and look out of the window. Different things such as excitement or motion sickness can disrupt an astronaut"s sleep pattern. Some astronauts have (27) __________having dreams and nightmares. A. described B. reported C. showed D. presented

Giúp mình với Viết 1 đoạn văn ngắn(80-100 chữ) dựa trên gợi ý đã cho

Anh chị nào có thể giúp em làm bài khoanh được khum ạ. Em cảm ơn trước

Cho tam giác ABC cân tại a kẻ AD vuông góc với BC d thuộc BC biết AB bằng 15 cm AD bằng 12 cm Câu A tính BD câu b Chứng minh rằng BD = CD

Hỗn hợp (B) gồm axetilen và etilen tác dụng vừa đủ 250 ml dd Br2 0,88M tạo ra 38,96 gam sản phẩm. Tính % khối lượng từng khí trong (B)

Bài tập : Cho 2 tia Ox, Oy đối nhau. Lấy A∈ 𝑂𝑥, B∈ 𝑂𝑦 (A,B khác O). Lấy C là điểm bất kì nằm giữa A và B. M là điểm khác O, thuộc tia đối của tia OC. a) Tia OM có cắt đoạn thẳng AB không ? b) Tia OA có cắt đoạn thẳng MB không ? c) Tia OB có cắt đoạn thẳng MA không

a) x ³+1+(x ²+x+1)=0 b) (3x+1) ² - x ² +`8x -16 =0 c) (x+1)(x-1) ²-(x+1)(x-2) ²

Nước Clo hoặc khí Clo ẩm có tính tẩy trắng khí Clo khô không? Vì sao? Viết phương trình phản ứng minh họa.

12.Mark the letter A, B, C or D on your answer sheet to indicate the correct answer to each of the following questions. Do you know the reason ___________humans are interested in Mars and other planets in the solar system? A. that B. why C. whose D. which 13 Mark letter A, B, C or D on your answer sheet to indicate the sentence that is closest in meaning to the original sentence in each of the following questions. This is the first time I have seen a spacecraft. A. I never see a spacecraft before. B. I have seen a spacecraft before. C. I have ever seen a spacecraft before. D. I have never seen a spacecraft before.

câu 1 My agent ………. to harass me after I quit making movies A.for continue B. to continuing C.continued D.to continue câu 2 The students ………. the principal’s favorite plant pot. A.broke B.have broken C.breaks D. has broken câu 3 :Our community ………. for over 10 years. A. will be established B.has been established C.is established D. was established câu 4:I ………. to my girlfriend in the Channel tunnel A.proposed B.proposes C.will have proposed D.propose câu 5:She ………. a lot of invitations to many events. A.has offering B.is offers C. is offer D. is offered câu 6:The car uses data ………. the most ideal road for the driver. A.for calculate B.to calculate C.calculating D. calculate câu 7:My dog ran 5 miles ………. me. A.so B.along C.with D.and câu 8:My friends and I ………. to the store last night. A. haven't gone B.doesnt't go C.didn't go D. don't go câu 9:I ………. at the party last night A.forgot B . was forgotten C.forget D. have forgotten câu 10:Many men were killed ………. Omaha beach. A. for taken B. to take C.to taking D. for take giải nhanh giúp mik với