土壤胶体是土壤中最活跃的部分,在保肥性能中起着重要作用。
参考答案:错
Try new sports, games, and other activities ________new foods.You'll grow stronger, play longer, look
and feel better![ ]
A. such as
B. as well as
C. or
D. as well
病历摘要:某男,28岁,右眼红痛、视力下降三天,不伴有头痛,无恶心呕吐症状,在当地医院口服抗菌素与止痛药,症状无明显改善,曾自行应用过消炎类眼药水。否认眼外伤史与药物过敏史,家族中无类似病史。
并发性白内障,视力极差时,采用什么方法治疗为妥?()
A.白内障囊内摘除,防止虹膜炎复发
B.白内障囊外摘除,术后加强抗炎
C.白内障囊外摘除联合人工晶体植入术,术后加强抗炎
D.眼球摘除术
E.玻璃体切割术,清除病灶
F.炎症静止三个月至半年再行手术
G.点用抗白内障眼药水
H.作针拔白内障术