主页
学科
搜索
账户
常见问题
当前学科：初级起重工
题目：
填空题
露天工作的起重机应设置（），（）装置或铁鞋。
答案：
<查看本题扣1积分>
查看答案
答案不对？请尝试站内搜索
推荐知识点:
患者，女，29岁，已婚。因分娩时受寒，产后小腹疼痛，拒按，恶露量少，行而不畅，色黯，有块，四肢不温，面色青白，脉沉紧。治疗应首选（）
（）主要用于预防风湿热复发，也可用于控制链球菌感染的流行
（）以下不属于高难度复杂中间画类型的是？
以下不常作宿根花卉是（）。
北亚热是由下列哪一种立克次体引起的（）
MSA的功能是处理和产生AU-PTR，以及组合/分解整个STM-N帧。
箱体划线一般经三个划线位置，第三划线位置找正应是第一、第二已划（）。
略谈朱敦儒《好事近》一词的特色。
本我又称“利比多”，它无条件的按照（）行动。
Promising Results from Cancer Study A new experimental vaccine(疫苗)has shown promising results in the fight against lung cancer．In a small Texas-based study，a vaccine developed by scientists at Baylor University Medical Centre in Dallas，USA，cured lung cancer in some patients and slowed the progress of the disease in others． Researchers have reported encouraging findings from this small study．Forty-three patients suffering from lung cancer were involved in these trials．Ten of these patients were in the early stages and thirty—three in the advanced stages of the disease．They were injected with me Vaccine every two weeks for three months，and were carefully monitored for three years.In three of the patients in me advanced stages of cancer，the disease disappeared and in the others，it did not spread for five to twenty—four months．However，no great difference was seen in the patients in the early stages of the illness． This new vaccine uses the patients’own immune、system．It is made specifically for each patient and is injected into the arm or leg．It stimulates the body’s immune system，which then recognizes that the cancer cells are harmful，and attacks and destroys them. The vaccine could be effective against other forms of cancer．It offers great hope for the treatment of cancer in general，although further studies are needed before such treatment can be widely used．根据以上内容，回答题。The vaccine cured all the participants in the trial．