单项选择题

A growing plant needs water for all of the following except ______.

A．forming sugars
B．sustaining actively growing parts as well as woody stems
C．absorbing mineral elements
D．taking in carbon dioxide from the air
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单项选择题
The value the student puts on correct speech habits depends on ______.
A．how closely he attends to the matter
B．whether it is English that is being taught
C．his teacher's approach to pronunciation
D．the importance normally given to grammar and spelling
单项选择题
How might the teacher find himself wasting lesson time
A．By spending lesson time on pronunciation.
B．By not using books on speech mechanics on pronunciation.
C．By not giving students a clear mental picture of the difference between sounds.
D．By making ill-informed comments upon students' pronunciation.
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