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【单选题】
()4.婴幼儿心率与频率较快,但节律不稳定,这和他们植物神经的发育A.
有关。
B.
交感神经兴奋性强而副交感神经兴奋性弱
C.
交感神经兴奋性强副交感神经兴奋性强
D.
交感神经兴奋性弱副交感神经兴奋性弱
E.
交感神经兴奋性弱而副交感神经兴奋性强
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皮皮学刷刷变学霸
举一反三
【单选题】It seems that living green is ____ easy and affordable. A small step makes a big difference. [ ]
A.
exactly
B.
fortunately
C.
surprisingly
D.
hardly
【单选题】It seems that living green is easy and affordable. A small step makes a big difference.
A.
surprisingly
B.
fortunately
C.
exactly
D.
hardly
【单选题】It seems that living green is ______ easy and cheap. A small step can be rewarded with long-term benefits.
A.
astonishingly
B.
exactly
C.
fortunately
D.
hardly
【单选题】It seems that living green is easy and affordable. A small step masks a big difference.
A.
exactly
B.
fortunately
C.
surprisingly
D.
hardly
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