使用VIB-10a便携式测振仪测量机泵振动时,要使测振仪以0.5~1.0公斤的力垂直作用于被测量点的表面。
参考答案:对
—Did you have a soccer _______ with the team in No.14 Middle School.
—No, There is going to _______ a game next week.
—Oh, that's good. Match yourself _______ them _______this game.[ ]
A. match, be, of , in
B. match, is, with, on
C. match, be, with, in
D. match, are, against, on
相比之下食物蛋白质营养价值最低是().
A.谷类
B.奶类
C.豆类
D.肉类