下图为人体免疫部分示意图，请据图回答：
结核杆菌属于胞内寄生菌，当它首次侵入人体后，人体主要是通过（）（填序号）过程发挥免疫作用。
参考答案：②⑥
I'll________ some wild flowers for you.[ ]
A. give
B. send
C. take
D. pick
--Haven’t I told you that the computer needs______?
---Sorry,I forgot_______it fixed.I’ll send it for repairs right away.
A．repairing;having
B．to repair;to have
C．repairing;to have
D．to be repaired;having
