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【单选题】
项目建议书阶段的投资估算精度的要求为误差控制在()以内。A.
±10%
B.
±20%
C.
±30%
D.
±40%
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【多选题】2009年7月22日，我国长江流域可以观测到罕见的日全食现象。2010年1月15日，我国再次出现更加难见的日环食现象。很多人目睹了这两次难见的奇观。若不考虑天气情况，关于日全食、日环食、日偏食，下列情况有可能出现的是（）
A.
地球上同一地点的同一天里，日偏食和日全食都能观测到
B.
地球上同一地点的同一天里，日偏食和日环食都能观测到
C.
地球上同一地点的同一天里，日全食、日偏食及日环食都都能观测到
D.
地球上同一地点的同一天里，只能观测到日偏食
【单选题】Based on what you have learned above, please choose the best one from the following choices: Legend describes the inventor of Chinese characters as a great hero with____ eyes and____ pupils and his in...
A.
two…four
B.
four…two
C.
four… four
D.
two…two
【简答题】Task 2 Now listen to the passage again. Based on what you have heard from the passage, match the left with the right to combine the following sentences. 1) When only memorising a list of words ______ ...
【单选题】以下关于光圈、进光量、F值的描述，正确的是
A.
光圈越大，F值越大，进光量越多
B.
光圈越小，F值越小，进光量越少
C.
光圈越大，F值越小，进光量越多
D.
光圈越小，F值越大，进光量越少
E.
光圈越大，F值越大，进光量越少
F.
光圈越小，F值越小，进光量越多
G.
光圈越大，F值越小，进光量越少
H.
光圈越小，F值越大，进光量
【简答题】Listen to a talk about why people are often irrational. Based on what you hear, match the questions with the answers by placing a letter next to the number. 1.( ) According to the speaker, how can pe...
【单选题】Listento a talk about why people are often irrational. Based on what you hear, matchthe questions with the answers by placing a letter next to the number. 1 ( ) According to the speaker, howcan pe...
A.
People tend to behave irrationally in a predictable fashion.
B.
People should act according to logic and reason required in a situation.
C.
It causes problems to themselves as well as to others.
D.
He doesn’t think this irrational behavior is always intentional.
E.
If a person knows someone suffers from a disease, he will feel he suffers from the same disease.
【多选题】UNIT 6 Prereading activity Listen to a talk about why people are often irrational. Based on what you hear, match the questions with the answers by placing a letter next to the number. 1 ( ) According ...
A.
B
B.
C
C.
A
D.
E
E.
D
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