HOC24
Lớp học
Môn học
Chủ đề / Chương
Bài học
Bằng 59
Một acquy có suất điện động là 12 V.
a) Tính công mà acquy này thực hiện khi di chuyển một electron trong acquy từ cực dương tới cực âm của nó.
b) Công suất của acquy này là bao nhiêu nếu có 204 . 10 18 electron dịch chuyển như trên trong 1 phút ?
Đọc lại bài Kẹo mầm (Bài 11), hãy cho biết văn biểu cảm khác văn tự sự ở điểm nào.
Đông Nam Á biển đảo có
A. nhiều đồng bằng.
B. ít đồi, núi
C. nhiều núi lửa.
D. núi thường cao trên 3000m
Read the following passage and mark the letter A,B,C or D on your answer sheet to indicate the correct word for each of the blanks from 1 to 5.
Swim, Cycle, and Run
For athletes who like to (31)______a variety of endurance sports in a single race, triathlons are a great fit. These competitions (32) ______running, cycling, and swimming into one race, and they take place one after the other in a single continuous timed race. Athletes who participate must be in top physical form and have the skills needed to complete each portion of the race. Training for triathlons means the athletes have to become proficient not only in the sport required in each stage, but they also have to become familiar with what (33) ______from one to the other does to their bodies. Many inexperienced triathletes are surprised to (34) ______hard it can be to switch from swimming to cycling to running, and how tired their muscles can suddenly feel. One thing all triathletes can agree (35) ______is that no one ever told them that running a triathlon would be easy
Điền ô số 32
A. combine
B. join
C. fasten
D. connect
ay chet to nham
1. Minh/ used/ live/ farm/ when/ he/ small boy Minh used to live on a farm when he was a small boy.
2. New York/ famous/ its sky scrapes
New York is famous for its skycrapers.
3. Vegetables/ often have dirt/ farm/ them
Vegetables have been often dirty because the farm spray pesticides on them.
4. It/ be/ good idea/ eat/ different/ kind/ fruit/ vegetables/ everyday
It is a good idea to eat different kinds of fruit and vegetable everyday.
5. There be/ wide selection/ meat/ stall
There was a wide selection on the stall.
Từ skycrapers và different bạn viết sai nên mình đã sửa lại.