皮皮学，免费搜题
登录
搜题
【多选题】
下列有关半合成青霉素的叙述正确的是A.
口服吸收好
B.
与青霉素G有交叉过敏反应
C.
具有和青霉素一样的β-内酰胺环
D.
均对β-内酰胺酶较稳定
E.
可分为耐酸、耐酶、和抗铜绿假单胞菌等类
手机使用
分享
复制链接
新浪微博
分享QQ
微信扫一扫
反馈参考答案：
举一反三
【多选题】How does a single mother________ on such a small salary?
A.
get by
B.
get over
C.
get down to
D.
get through
【单选题】职业流行病学调查的目的主要是
A.
找出易感人群
B.
为制订职业卫生标准提供依据
C.
确定环境监测的范围
D.
找出接触职业有害因素与潜在发病间的联系
E.
确定剂量－效应关系
【简答题】How many single rooms with shower does Mr. Hinson need for Period B? ______________________________
【单选题】--- How much does a standard room with a single bed ___________? ---￥180.
A.
cost
B.
spend
C.
pay
【单选题】职业流行病学调查的目的主要是
A.
找出易感人群
B.
为制定职业卫生标准提供依据
C.
确定环境监测的范围
D.
找出接触职业有害因素与潜在发病间的联系
E.
确定剂量-效应关系
【单选题】职业流行病学调查的目的主要是
A.
找出易感人群
B.
作为劳动能力鉴定的依据
C.
确定环境监测的范围
D.
找出接触职业有害因素与潜在发病间的联系
E.
劳动者的健康状况
【单选题】--- How much does a single room cost a day? ---________
A.
The room is on the third floor near the elevator.
B.
The single room is RMB220 a day.
C.
The room is not available now.
【单选题】How old are those babies without autism when they start to say single words?
A.
By 6 or 8 months.
B.
By 12 months.
C.
By 16 months.
D.
By 24 months.
【单选题】How does the effect known as“bank suction”act on a single-screw vessel proceeding along a narrow channel ().
A.
It pulls the stern toward the bank
B.
It heels the vessel toward the bank
C.
It pushes the entire vessel away from the bank
D.
It pulls the bow toward the bank
相关题目：
参考解析：
知识点：
题目纠错 0
发布
