用电子电位差计配用热电偶测量温度,热端温度升高2℃,室温(冷端温度)下降2℃,则仪表示值()。
A、升高4℃;
B、升高2℃;
C、下降2℃;
D、下降4℃。
参考答案:B
胃液中不含有
A.盐酸
B.胃蛋白酶(原)
C.内因子
D.HCO3-
E.糜蛋白酶
Eliza and I a party this evening. Would you like to come?[ ]
A. have
B. had
C. has
D. are going to have