阅读理解
    Most of the people in China can have four seasons. However, people in South China have three seasons --- spring, summer and fall. They don't have winters. In north China, people have a cold, dry and windy winter. But people in Kunming only have one season --- spring. It's warm and rainy all the year. You can see green trees and beautiful flowers there. So “ Spring City ”is another name for Kunming.

如图，点D在⊙O的直径AB的延长线上，点C在⊙O上，AC=CD，∠ACD=120°．

下列四个结论中正确的个数是（   ）

①“x²+x﹣2＞0”是“x＞1”的充分不必要条件

②命题：“∀x∈R，sinx≤1”的否定是“∃x₀∈R，sinx₀＞1”．

③“若x= $\frac{\pi }{4}$ ，则tanx=1，”的逆命题为真命题；

④若f（x）是R上的奇函数，则f（log₃2）+f（log₂3）=0．

口算

6×8=____    42÷7=____   700+40=____   50-40=____

38+27=____   43+53=____   6×9+9=____   28÷7+58=____

- Do the Chinese like playing basketball?

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