词义辨析。

    A) have a look / have a look at

1. Can I _____ the photos of your family?

2. —I have a new pen. 

    —Let me _____ .

3. May I _____ what's on television?

    B) on one's way back / by the way

4. _____ home, he saw a girl crying.

5. _____ , have you seen John lately?

患儿，男，5岁。近2周高热，体温39℃左右，急性病容，食欲缺乏，诉肝区疼痛，心肺无异常，B超示肝有3cm×4cm的低信号区，外周血白细胞18×10⁹/L，中性粒细胞0.85，淋巴细胞0.15，血培养为金黄色葡萄球菌。

其诊断为 ()

A.菌血症

B.毒血症

C.败血症

D.脓毒败血症

E.多菌性败血症

F.肝脓肿