理想气体的比热仅为()的函数。
A.压力
B.温度
C.物质的种类
D.焓
参考答案:B
John is ______ European but doesn’t know or speak ______English language at all.
A.an,a
B.a,the
C. the ,an
D.a,不填
海洋预报有哪些方法?