皮皮学，免费搜题
登录
搜题
【多选题】
山西总地势是“两山夹一川”,其中两指( )。A.
燕山
B.
太行山
C.
五台山
D.
吕梁山
E.
贺兰山
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
【单选题】The scientists began to accumulate data.
A.
collect
B.
handle
C.
analyze
D.
investigate
【单选题】药物对动物急性毒性的关系是
A.
LD 50 越大，毒性越大
B.
LD 50 越大，毒性越小
C.
LD 50 越小，毒性越小
D.
LD 50 越大，越容易发生毒性反应
E.
LD 50 越小，越容易发生过敏反应
【简答题】Data : The that we collect when we do research.
【单选题】Her essay was entirely based on data ______ from reliable records.
A.
collecting
B.
to collect
C.
collected
D.
being collected
【单选题】How did the museum collect the data in the Central African Republic?
A.
It sent a large team of scientists there.
B.
It cooperated with many African scientists.
C.
It recruited local people to collect mammals, etc.
D.
It sent cameramen to shoot videotapes.
相关题目：
参考解析：
知识点：
题目纠错 0
发布
