【单选题】—Ian ______want to leave this house, did he? —No, he didn’t.
【单选题】The scientific research on how to protect the rare animals is ________. Many scientists are working hard to find new way to raise the animals by man.
【单选题】并励直流电动机的额定电流IN,额定电枢电流IAN和励磁电流IfN三者的关系为()
【单选题】磁粉探伤法可检测表面以下( ) 范围内的裂纹和缺陷。
【单选题】The following items are derivational morphemes EXCEPT______.
【单选题】-- Is this Ian Strong's office? --__________.
A.
Yes, this is Ian's office all right and I'm his assistant, Steve.
C.
No, you can ask others.