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【简答题】
据2009年7月3里《新民晚报》消息,“国际保护”组织在厄瓜多尔的边境纳格里扎河盆地的热带雨林中经过数月的科学考察,发现了14个新物种,其中包括2种植物和12种动物,新品种动物中包括1种蝙蝠、1种蜥蜴、1种蝾螈、2种青蛙和7种昆虫。 (1)蝾螈和青蛙都属于_________动物;幼体和在形态结构和生活习性上差异很大,这种发育方式称为______________。 (2)蝙蝠属于_________动物,其特有的生殖发育特点是___________________。 (3)图是新种短翼圈足蟋蟀的形态图,它与蝗虫相同的特点有: ①体表外___________,以适应干燥的陆地生活。 ②生殖发育方式都经历是_______________________________时期。
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【单选题】变压器在运输和装卸中,要求起吊绳索与垂线间的夹角不超过(  )。
A.
15°
B.
20°
C.
25°
D.
30°
【单选题】Andy often _______ a very special costume at the party. [     ]
A.
dresses
B.
wears
C.
dresses up
D.
dresses up as
【简答题】Burn rate is the speed at which a startup business consumes money. My rate was $ 75,000  a month. Four months after my company was set up, I had only a quarter of the starting capital left in the bank...
【单选题】联网收费协议中要求各签约方车辆判别差错率小于()。
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千分之一
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千分之二
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万分之一
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万分之二
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【判断题】Volume is the speed at which a person speaks.
A.
正确
B.
错误
【单选题】Last summer I took a course on _________.
A.
how dresses to be made
B.
how dresses be made
C.
how to make dresses
D.
how to be made dresses
【单选题】变压器在运输和装卸中,要求起吊绳索与垂线间的夹角不得超过()。
A.
15º
B.
20º
C.
25º
D.
30º
【简答题】课本P44页2-8(A)
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