【判断题】符合分离规律的遗传性状在自交F 2 代性状的分离比例均是3:1。
【简答题】事故应急救援工作是在预防为主的前提下,贯彻()、()、()、()相结合的原则。其中()是事故应急救援工作的基础。
【简答题】讨论并提交书面纪要:在我国各种所有制企业甚至质量非常重要的航空制造与修理企业中,质量成本的推行为什么都遇到困难?
【单选题】听力原文: Yesterday we discussed the problem of rising prices, or, in the economist' s terms, inflation. We noted that, during periods of inflation, all prices and incomes do not rise at the same rate. So...
A.
To introduce the concept of inflation.
B.
To discuss the causes of inflation.
C.
To review yesterday' s lecture on inflation.
D.
To argue in favor of inflation.
【单选题】听力原文: Yesterday we discussed the problem of rising prices, or in the economist's terms, inflation. We noted that, during periods of inflation, all prices and incomes do not rise at the same rate. Some...
A.
An opening speech of a lecture.
B.
The text of the economist's speech.
C.
A discussion on inflation and investment.
D.
The interpretation of the phrase 'economic depression'.
【判断题】符合分离规律的遗传性状在自交 F 2 代性状的分离比例上至少表现有三种形式 : 3:1; 1:2:1; 1:1 。
【单选题】听力原文: Last week we discussed the problem of rising prices, or, in the economist's terms, inflation. We noted that, during periods of inflation, all prices and incomes do not rise at the same rate. Som...
A.
To introduce the concept of inflation.
B.
To discuss the causes of inflation.
C.
To review last week's lesson on inflation.
D.
To argue in favor of inflation.
【单选题】听力原文: Yesterday we discussed the problem of rising prices, or, in the economist's terms, inflation. We noted that, during periods of inflation, all prices and incomes do not rise at the same rate. Som...
A.
To introduce the concept of inflation.
B.
To discuss the causes of inflation.
C.
To review yesterday's lecture on inflation.
D.
To argue in favor of inflation.