导游服务是一项______和______高度结合的服务性工作。
参考答案:脑力劳动 体力劳动
—There is salt in the kitchen. Would you like to go and get _____, Tom?
—OK!
A.little; some
B.few; some
C.a little; some
D.a few; any
冷却构筑物出水温度的理论极限值()。