膳食中不产生热量的是维生素和()。
A.脂肪
B.蛋白质
C.矿物质
D.碳水化合物
参考答案:C
The patient was ___of losing his life and had to be operated on at once.
A.in danger
B.in the danger
C.out of danger
D.out of the danger
什么是工程地质原位测试?要测试岩土力学性质及地基强度,可采取哪些原位测试方法?