【单选题】听力原文:W: Anything else? M: No, thanks. That's all. Q: Where are they probably talking? (21)
【单选题】According to the fourth paragraph, which of the following will the author probably agree with?
A.
Distinguished professors at research universities should concentrate on research only.
B.
The separation of teaching from research can lower the quality of future scientists.
C.
It is of utmost importance to improve teaching in elementary schools in order to train new scientists.
D.
The rapid development of modern science makes it impossible to combine teaching with research.
【判断题】侧式站台的车站相对于岛式站台的车站容易将不同方向的客流分开,且有利于乘客换乘。
【单选题】室外给水管道压力试验时,其管段长度不宜大于()m,非金属压力管道的试验段长度宜更短些。
【单选题】给水排水管道施工时,压力管道水压试验的管段长度不宜大于( )。
【单选题】压力管道水压试验的管段长度不宜大于( )km。
【单选题】The expression 'if they can afford to retire' in paragraph 4 probably means
A.
if they are willing to retire
B.
if they can well support themselves after retirement
C.
if they are forced to retire
D.
if they are permitted not to retire
【多选题】转基因产品对生态环境的潜在影响,主要包括
【单选题】给水排水管道功能性试验规定,管道的试验长度除规范和设计另有要求外,压力管道水压试验的管段长度不宜大于( )km。