However, people have not always been happy with (4)____ lot and have often wanted to see something different when they look at themselves in the mirror. Fortunes have been (5)____ by selling wigs and miraculous wrinkle removers. Magazines have been full of advice on (6)___ to disguise the shape of your face by applying blushers and foundations (7)____ the day these products were invented.

(Bài điền từ ạ)

(11)___ this reason, it's unwise to leave the planning or cooking of the food to one individual. The likes and dislikes of all members of the group have to be taken (12) ____ consideration, as well as what each person regard (12)____ the normal size of a portion. Most important, however, is the need to plan treats and surprises for (14)___ other. Whilst the food has to be simple both to transport and to prepare, practical decision should never be made (15)____ the expense of taste.

At the beginning, it's tempting to think that you will (6)____ by with whatever is light to carry or can be bought (7)____ the way. But(8)____ a while, the need for something tasty and satisfying to look (9)____ to at the end of the day begins to (10)___ on a greater significance. Especially ì the walking is difficult or the weather bad.

(Điền từ ạ)

Successful walking holidays are based on a full stomach. The longer a trip lasts, the (1) _____ important eating and drinking becomes (2)_____ the minds of the participants. This can be explained by the fact that, (3) _____ from the obvious need for fuel and nutrition, food also helps to maintain group and individual morale. Planning the food, therefood, is just as important as planning (4)____ things as the best route to take, what to carry or (5)____ to organise the equipment.

(Bài làm điền từ ạ)

Rút gọn A = \(\left(\dfrac{2\sqrt{x}+x}{x\sqrt{x}-1}-\dfrac{1}{\sqrt{x}-1}\right):\dfrac{\sqrt{x}+2}{x+\sqrt{x}+1}\)

Tìm x, biết:

\(\dfrac{2\sqrt{x}+4}{x-4}\) < -1

 

P=\(\left(\dfrac{x-2}{x+2\sqrt{x}}+\dfrac{1}{\sqrt{x}+2}\right)\) .  \(\dfrac{\sqrt{x}+1}{\sqrt{x}-1}\)

a) CM: P= \(\dfrac{\sqrt{x}+1}{\sqrt{x}}\)

b) Tìm các giá trị của x để 2P= 2\(\sqrt{x}\) + 5