在数控机床中,机床直线运动的坐标轴、Y、Z规定为右手卡迪尔坐标系。
参考答案:对
下列地区中,年降水量最大的是( )
A.赤道地区
B.撒哈拉沙漠地区
C.亚洲东部
D.温带地区大陆内部
根据下面的对话情景,在每个空白处填上一个适当的词或句子,使对话的意思连续、完整。
A: Jim, what are you doing in the kitchen?
B: ____________________
A: Noodles? They are my ___________food. What do we need to cook noodles?
B: We need one tomato, one onion, some beef and noodles.
A: __________________
B: We also need lettuce (生菜), salt and relish (佐料).
A: OK! We've got them. Can you tell me ___________?
B: Sure. We can boil noodles first and then cook all things together.
A: Great. Let's begin.
(A few minutes later)
B: Oh, the noodles _________ great!
A: They must be delicious. Let's eat together.