肝功能不全时,选下列含何种物质的营养液为宜()
A.谷氨酸
B.芳香族氨基酸
C.精氨酸
D.支链氨基酸
E.双肽
参考答案:D
有如下赋值语句:a="计算机"、b="微型",结果为"微型机"的表达式是
A.b+LEFT(a,3)
B.b+RIGHT(a,1)
C.b+LEFT(a,5,2)
D.b+RIGHT(a,2)
I have been advised to arrange for insurance _________ I need medical treatment.
A.so that
B.unless
C.in case
D.though