如图所示,平面镜所成的像是由反射光线的_________形成的,因此平面镜所成的像是__________(选填“实”或“虚”)像。
反向延长线;虚像
阅读题,请从所给的A-F中选择恰当的选项。(其中有一项多余)
小题1:Jenny is on the playground. It is a P.E. class. But she can not find her baseballs.
小题2:Linda found a schoolbag. Her telephone number is 446-5956.
小题3:Mark lost a dictionary. It is red.
小题4: Lucy found a pen. It’s a nice black pen. It’s in her school now.
小题5:Alan lost his watch. His telephone number is 633-5819. And his e-mail address is alan1201@hot.mail.
A.
B.
C.
D.
E.
F.
治疗B细胞淋巴瘤的靶向药物美罗华(利妥昔单抗),其作用靶点是()。
A.VEGFR
B.CD20
C.HErR-2
D.CD2
E.EGFR