皮皮学，免费搜题
登录
搜题
【单选题】
下列哪一种物质可以引起III型反应A.
细胞因子
B.
吞噬细胞
C.
补体
D.
免疫复合物
拍照语音搜题，微信中搜索"皮皮学"使用
参考答案：
参考解析：
知识点：
皮皮学刷刷变学霸
举一反三
【单选题】Unfortunately when I arrived she ______, so we only had time for a few words.
A.
has just left
B.
just left
C.
had just left
D.
was just leaving
【单选题】一Was he sorry for what he’d done? 一 [ ]
A.
No wonder
B.
Well done
C.
Not really
D.
Go ahead
【单选题】Unfortunately, when I dropped in, Dr. Green ______, so we only had time for a few words.
A.
just left
B.
has just left
C.
had just left
D.
was just leaving
【单选题】Unfortunately, when I dropped in, Professor Smith ________, so we only had time for a few words.
A.
has just left
B.
had just left
C.
just left
D.
was just leaving
【单选题】—Amy , I would like your uncle to help me repair the computer. —Sorry, he _____help you today . He won’t come back until tomorrow.
A.
shouldn’t
B.
may not
C.
can’t
D.
mustn’t
【单选题】已知一导线全长为 330.01m ,进行内业计算时得到该导线的纵横坐标增量闭合差分别为 fx=+0.03m 和 fy=-0.04m ,则该导线全长闭合差 f 为 _______.
A.
-0.01m
B.
-0.05m
C.
0.05m
D.
0.07m
【单选题】导线测量中,按近似平差的原别,算得导线坐标增量闭合差fx=0.052m,fy=0.042导线全长∑D=2109.214m,那么导线全长相对闭合差为()。
A.
K=1／31555
B.
K=l／34045
C.
K=1／28450
D.
K=1/16657
相关题目：