1编号:29486题型:单选题测试正确率:59.24%

在△ABC中,如,那么△ABC是(    )

2编号:29485题型:单选题测试正确率:71.15%

下列多项式乘法中,不能用平方差公式计算的是(    )

3编号:29484题型:单选题测试正确率:33.19%

绿色植物靠吸收光量子来进行光合作用,已知每个光量子的波长约为0.000 688毫米,则每个光量子的波长可用科学记数法表示为(    )

4编号:29483题型:单选题测试正确率:66.57%

下列运算正确的是(    )

5编号:29474题型:单选题测试正确率:91.48%

—Is the boy opening the door?—       .

6编号:29473题型:单选题测试正确率:89.79%

—What       you doing, Bob?—I am learning a Chinese song.

7编号:29472题型:单选题测试正确率:93.48%

       are you doing ,Simon?—I have finished my homework, and now I am playing the computer games.

8编号:29471题型:单选题测试正确率:92.37%

—Alice, turn down the TV, please.I       on the phone.—Oh, sorry.

9编号:29470题型:单选题测试正确率:92.79%

—May I speak to Mr. Morgan ?—Sorry. He      on the farm.

10编号:29469题型:单选题测试正确率:94.56%

Look! The boy         a picture.

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