WHY IS IT IMPORTANT THAT LIFT BE EQUAL ON BOTH SIDES OF THE HELIC...

64. Why is it important that lift be equal on both sides of the helicopter shaft? A. Dissymmetry of lift makes helicopters fly well. B. Equal lift means that the helicopter will be faster. C. It allows the rotor blade angles to be changed. D. If there is more lift on one side, the helicopter will flip. SECTION B (2 points) I. Finish each of the following sentences in such a way that it means the same as the sentence printed before it. Question 1. The dictionary was so expensive that I didn’t buy it. It was such _________________________________________. Question 2. He was driving very fast because he didn’t know the road was icy. If he ______________________________________________. Question 3. You should not press both buttons at once under any circumstances. Under no ________________________________________________. Question 4. “Don’t walk on the grass,” the gardener said to us. The gardener ________________________________________________. Question 5. They had hardly left home when it started to rain. No sooner ___________________________________________________. II. Write a paragraph of about 140 words about the following topic: The advantages and disadvantages of living in a big city ……………… 24