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【简答题】
Questions 21 and 22
Complete the sentences below.
Write ONE WORD ONLY for each answer. Questions 21 and 22ONE WORD ONLYIn hydro culture, plants are grown with their roots in water so ______ is necessary for the upper part of the plant.
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参考答案：
参考解析：
刷刷题刷刷变学霸
举一反三
【单选题】Questions 11 to 18 are based on the conversation you have just heard.
A.
He thinks David is not reliable.
B.
He’s willing to trust David.
C.
He has told his doubts to David.
D.
He thinks David will benefit from this experience.
【单选题】Any good mystery must eventually uncover a villain, and in a recent documentary, "Who Killed the Electric Car", the filmmakers duly pointed the finger at General Motors. The (62) is not so simple, but...
A.
missed
B.
employed
C.
lost
D.
gone
【单选题】Passage OneQuestions 26 to 29 are based on the passage you have just heard.
A.
Music they like can relieve depression but distract attention.
B.
Music they like can reduce stress and improve concentration.
C.
Classical music and rock-and-roll increase their heart rate and expand the breathing.
D.
Wearing headphones can help concentrate when they are performing operations.
【单选题】Questions 11 to 18 are based on the conversation you have just heard.
A.
They both enjoyed watching the game.
B.
People were surprised at their winning the game.
C.
They both felt good about the results of the game.
D.
The man thought the results were beyond their expectations.