海南黎族钻木取火技艺被列入国家级非物质文化遗产名录。钻木取火是通过_______(选填“做功”或“热传递”)把机械能转化为________能。
做功;内
一Look! That teacher is explaining something to her students again and again!
一_______teacher she is!
A.How patient
B.What patient
C.How a patient
D.What a patient
甲方案的综合资本成本为( )。
A.9%
B.10.5%
C.11.5%
D.12.5%