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【单选题】
鉴别肠道致病菌和非致病菌经常选用A.
乳糖发酵试验
B.
葡萄糖发酵试验
C.
菊糖发酵试验
D.
吲哚试验
E.
甘露醇发酵试验
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举一反三
【单选题】Directions: In this section, you will hear 3 short passages. At the end of each passage, you will hear some questions. Both the passage and the questions will be spoken only once. After you hear a que...
A.
Her parents thrived in the urban environment.
B.
Her parents left Chicago to work on a farm.
C.
Her parents immigrated to America.
D.
Her parents set up an ice-cream store.
【简答题】2-3.mp3: Part I Listening Comprehension ( 26 minutes ) Section A Directions: In this section, you will hear serveral news reports. At the end of each news report, you will hear two or three questions....
【简答题】Section B 201206cet4-sectionB.mp3: Directions: In this section you will hear 3 short passages. At the end of each passage, you will hear some questions. Both the passage and the questions will be spok...
【单选题】Section B Directions: In this section, you will hear 3 short passages. At the end of each passage, you will hear some questions. Both the passage and the questions will be spoken only once. After you ...
A.
Monitor students’ sleep patterns.
B.
Help students concentrate in class.
C.
Record students’ weekly performance.
D.
Ask students to complete a sleep report.
【单选题】Directions: In this section, you will hear 3 short passages. At the end of each passage, you will hear some questions. Both the passage and the questions will be spoken only once. After you hear a que...
A.
[A] We have to use first our eyes, then the brain and finally the muscles.
B.
[B] We have to make our eyes, brain and muscles work almost at the same time.
C.
[C] We have to use mainly the arms and legs to hit.
D.
[D] We have to use mainly the muscles so that the ball is met and hit back.
【简答题】Section B Directions: In this section, you will hear 3 short passages. At the endof each passage, you will hear some questions. Both the passage and thequestions will be spoken only once. After you h...
【单选题】Section A: 26. After they the first super computers in the 1940s, scientists and engineers began to develop ways to create networks.
A.
create
B.
created
C.
have created
D.
has created
【简答题】2-2.mp3: Part I Listening Comprehension ( 26 minutes ) Section A Directions: In this section, you will hear serveral news reports. At the end of each news report, you will hear two or three questions....
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