【单选题】Later in this chapter cases will be introduced to readers _____ consumer complaints have resulted in changes in the law. [ ]
【单选题】关于非胸腺依赖性抗原(TI—Ag),下列说法正确的是
【判断题】现阶段我国人民的共同理想是实现共产主义。()
【单选题】I have experienced quite a number of cases ______ I really wanted to help but could not have anything to ______.
C.
where; put my hands on
D.
in that; put on my hands
【单选题】TI-Ag(胸腺非依赖性抗原)不具有的特点是