động lực nào giúp dòng nước và các ion khoáng di chuyển đc từ rễ lên lá ở những cây gỗ cao lớn hàng trục mét?

1.The champion remains _______________ in the last three seasons. (BEAT) 2.Nuclear _______________ is a must if the country wishes to widen its international trade relations. (ARM) 3.He had his leg broken and had to use a plaster cast to keep his leg _______________. (MOBILE) 4.She performs all the duties _______________ and is the helping hand of the boss. (CONSCIENCE) 5.The report _______________ that the accident was caused by human error not mechanical one. (CLOSE) 6.After 3 months of intensive training, the wounded soldier managed to walk ______________. (AID) 7.The mother gave the child a(n) _______________ look for interrupting the guests’ conversation. (APPROVE) 8.Due to the shortage of teachers, many children are being taught in _______________ classes. (SIZE) 9.Many patients had to _______________ their treatment for their lack of money. (CONTINUE) 10.We’ll never invest money and effort in such _______________ cause. (DESERVE) 11.I always choose friends in the belief in the saying that beauty is only ______________. (SKIN) 12.The government has launched a nationwide campaign to _______________ children against killer diseases. (IMMUNE) 13.We need _______________ advice from the third party to ensure the validity of the proposal. (PART) 14.What a shame. He came to the party _______________. (ASK) 15.She wanted to ask for some information about the _______________ course as she will be in the area for about 4 weeks. (RESIDE) 16.The toxic waste from that chemical factory is doing _______________ harm to the surroundings. (MEASURE) 17.I don’t want to be _______________, but I must say that she is a good for nothing wife. (CHARITY) 18.The exhibition helps to remind visitors of the _______________ era when people lived in very crude houses. (GO) 19.It is _______________ to talk about success at in such a changeable market. (MATURITY) 20.The village was no longer peaceful and quiet with tourists _______________ the area. (RUN) 21._________________ advise that too young children should not go on a low-carb diet. (DIET) 22.The palace is well known worldwide for its _________________ and handmade furniture. (SPLENDID) 23.Sensing an air of _________________ about the future of the company, she quit the job after two months’ probation. (CERTAIN) 24.All the dedicated fans were _________________ by the defeat of the home team in the semi- final. (SAD) 25.She, one of the best _________________ in the Weather Bureau, often comes up with the most reliable forecast. (CLIMATE) 26.Household chores have been lightened by numerous _________________ devices, such as washing machines and dishwashers. (LABOUR) 27.Political and social instability is the major _________________ to economic development. (IMPEDE) 28.She came first in the swimming tournament despite her _________________. (SHORT) 29.The _________________ of excise tax will encourage customers to buy more luxury cars. (ABOLISH) 30.His attitudes to life remained _________________ by the disagreements with his family. (AFFECT) Giúp mình nhé! Mình cảm ơn

giải hộ mình nhé không sao chép mạng nha thnk

Hai vật chuyển động với vận tốc không đổi trên hai đường thẳng vuông góc với nhau cho v1 = 30m/s , v2 = 20m/s. Tại thời điểm khoảng cách giữa hai vật nhỏ nhất thì vật một giao điểm của quỹ đạo đoạn S1 = 500m, hỏi lúc đó vật hai cách giao điểm trên một đoạn S2 là bao nhiêu? giải thích đề giúp em ạ

vẽ anime khóc NL: mk hỏi bao nhiêu bài tập lý toàn 50đ mà chẳng cs ai trả lời, cần gấp lắm lắm luôn r. cầu xin giúp đỡ

cho phương trình x^2-2(m-1)x+m+1=0 tìm m để pt a) có hai nghiệm trái dấu b)có 2 nghiệm dương phân biệt c)có đúng 1 nghiệm dương

Thay đổi những câu này thành câu bị động theo hai cách, cách đầu tiên đã được thực hiện cho bạn làm ví dụ VD : they paid me a lot of money to do the job  - i was paid a lot of money to do the job  - a lot of money was paid to me to do the job 1. our friends send these postcards to us - .............................................. -...............................................

giup minh voi 9h minh can ruiii mng lam ra vo cung dc aaa

Mình cần gấp lắm .............................................

Tính [a + (-b)]3 (với a, b là hai số tùy ý).