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参考解析：
刷刷题刷刷变学霸
举一反三
【单选题】Passage One Just over three years old and about four-feet tall. Methuselah is growing well. "It’s lovely." Dr. Sarah Sallon said of the date palm，whose parents may have provided fo...
A.
the attempt to grow the Judean palm date will end in failure
B.
the effort to reintroduce the Judean palm date is sure to pay off
C.
the researchers are likely to create a new species of the Judean palm date
D.
the researchers stand a chance of success to renew the Judean palm date
【单选题】观赏植物栽培中温度的调节包括( )。
A.
加温、降温,保温
B.
加温是针对植物体而不是对空气加温
C.
夏季炎热的地区,为了使花卉生长良好或度过高温休眠期需要有降温措施
D.
B和C