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yenp88272
2 năm trước
tìm số phức z có điểm biểu diễn trên mặt phẳng tọa độ oxy là điểm M (0;-1;0) A . $\left \{ {{xo-1=0} \atop {y-3=0}} \right.$ => $\left \{ {{x=1} \atop {y=3}} \right.$ B.z=-2x+9yi C.z=-2i+9 D.z=-2i+9i
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Between the months of November and May a wind blows from the west in most parts of Indonesia . It comes from the ocean and carries rain. Clouds build up around the mountains, and every afternoon rain falls. The rain is always heavy, and rivers can be walked across in the dry season now become dangerous. When it rains the whole day, they may suddenly overflow and cause great damage to the land Most farmers are glad when the wet season begins. There is water for their fields and they can again start growing rice. But people in town are not so glad for the streets soon get muddy and dirty. They prefer the dry seasons when they can sit outside and enjoy the cool evenings 1. When is the wet season? A. In May. B. In November C. Form November to May. D. Form May to November. 2. What causes the rainfall? A. The ocean B. Clouds building up around the mountains. C. The mountains D. The afternoon 3. Why are many rivers dangerous in the wet season? A. People try to cross them. B. They are very big rivers. C. They dry up and cannot provide enough water. D. Long periods of heavy rain make them full 4. What damages the land? A. The sudden rain B. The overflow of the rivers C. The wet season. D. The dry season 5. Why can farmers start growing rice again? A. The dry season has begun. B. The land has been damaged. 3. There is water again. D. The rivers overfolw.

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