单项选择题

下列古代文明或工艺一定包含化学变化的是（）

A.在甲骨上刻文字
B.指南针指引航海
C.用泥土烧制陶瓷
D.用石块修筑长城

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单项选择题

A．enjoyable
B．stimulating
C．tedious
D．stressful

A.enjoyable
B.stimulating
C.tedious
D.stressful

单项选择题

W：Sorry to be here late.I’m starving.Have you ordered yet？
M：I just got here myself.I got held up in traffic.Let’s look at the menu together
Q：What will the speakers probably do next？（）

A．Pay the bill.
B．Choose a restaurant.
C．Leave the restaurant.
D．Decide what they want to eat.