不属于较特异性的肿瘤标志物的是（）。
A.CEA
B.前列腺特异性抗原（PSA.
C.前列腺酸性磷酸酶（PAP）
D.β-HCG
E.铁蛋白
参考答案：E
解析：特异的肿瘤标志物主要有CEA、CA-50、CA-199、CA-125、CA-153、前列腺特异性抗原(PSA)、前列腺酸性磷酸酶(PAP)、β-HCG等；而非特异性肿瘤标志物主要有铁蛋白、β-微球蛋白、肿瘤坏死因子、肿瘤生长因子等。
| Teddy Smith’s Fast Food Open: 10:00 a.m.---10:30 p.m. Lunch served till 2:00 p.m. Dinner served till 9:30 p.m. Eat in or take away | ||
| Mains(主食) Beef Steak $ 4.25 Hamburger $ 3.15 (small) $ 3.95 (large) Noodles $ 2.05(small) $ 2.50 (large) | Desserts Ice Cream $ 1.25 Flavours(味道)： Banana, Chocolate, Apple Apple Pie $ 0.75 Chocolate Cake $ 0.95 | Drinks Soft Drinks $ 0.75 (small) $ 0.95 (large) Flavours(味道)： Cola, Apple, orange Coffee or Tea $ 1.25 |
A．10:00 a.m.
B．10:30 p.m.
C．2:00 p.m.
D．9:30 p.m.小题2:How much do a small hamburger, two chocolate cakes and a large soft drink cost?
A．$ 4.1.
B．$ 5.85
C．$ 6.00.
D．$ 6.60小题3:How many kinds of things have chocolate in them?
A．One.
B．Two.
C．Three.
D．Four.