皮皮学，免费搜题
登录
搜题
【单选题】
牛黄中蛋黄的断面特征是( )A.
.棕黄色，无层纹，有少数白点
B.
面金黄色，有排列整齐的同心层纹
C.
棕黑色，有少数白点
D.
断面中空，无层纹
E.
断面中空，有少数层纹
拍照语音搜题，微信中搜索"皮皮学"使用
参考答案：
参考解析：
知识点：
皮皮学刷刷变学霸
举一反三
【单选题】以下关于时间序列分析方法表述正确的是( )
A.
时间序列分析方法主要包括描述性时序分析和频域分析两大类。
B.
时域分析方法的分析步骤不包括考察观察值序列的特征。
C.
频域分析方法主要从序列自相关的角度揭示时间序列的发展规律。
D.
操作简单、直观有效是描述性时间序列分析方法的突出特点。
【简答题】简述时间序列分析法的特点?
【单选题】At first it seemed that the building would be all right but later it was found to need______.
A.
illustrations
B.
innovation
C.
modifications
D.
modernization
【简答题】简述时间序列分析法的特点。
【简答题】C. Dictation Fill in the blanks in the following passage according to what you have just heard. Man has been polluting the Earth from the time he first made fire, washed his clothes in the river and t...
【简答题】Dictation Please listen to the tape 3 times.Fill in the blanks in the following passage according to what you have just heard. Man has been polluting the earth from the time he first made fire, washed...
【单选题】At first it seemed that building would be all right but later it was found to need___.
A.
installations
B.
modifications
C.
innovations
D.
illustrations
【单选题】胸腔穿刺抽取一定液体后,患者出现持绫咳嗽,应该注意
A.
提示胸腔积液排放到一定程度，肺已开始复张，抽液需要慎重，必要时停止操作
B.
鼓励咳嗽，以利于进一步排净胸腔积液
C.
给予镇咳药物，继续抽取液体
D.
让患者平卧位，继续抽取液体
E.
提示伤及肺，引起气胸
【单选题】My mother passed the driving-test at her first attempt. It was all ______ she had been practicing so hard.
A.
why
B.
because
C.
that
D.
what
相关题目：