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【简答题】
教师职业的最大特点在于职业角色的多样化。 （ ）
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举一反三
【单选题】The chief cause of loss for the nursery crops before marketed may be _____________ .
A.
desciccation during storage
B.
warming during storage
C.
lacks of cold-storage facilities at retail outlets
D.
all of the above
【单选题】Which type of the nursery crops is spruce? _____________
A.
roses
B.
broad-leaved evergreens
C.
deciduous plants
D.
coniferous evergreens
【单选题】The ____ of new scientific discoveries to industrial production methods usually makes jobs easier to do.
A.
addition
B.
association
C.
application
D.
affection
【单选题】Most nursery crops are _____________ .
A.
fruit plants
B.
perennial vegetables
C.
ornamentals
D.
Christmas trees
【简答题】A．They had lost their jobs as a result of the Industrial Revolution. B．They had been suffering from political and religious oppression. C．They wanted to flee from the widespread famine in Northern Eur...
【单选题】What is the environmental benefit of GM crops?
A.
Herbicidetolerant crops can reduce the use of chemicals.
B.
Herbicidetolerant crops can use milder chemicals.
C.
Bt genes can protect crops against insects instead of chemical pesticides.
D.
Insect-resistant crops only need a more benign mix of chemicals .
【简答题】What does the field grower of nursery crops purchase from some specialfirms for field plantings? _____________A. small plants started in plant bands B. slightlly larger ones in containers C. lining ou...
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