问题
选择题
蝗虫的生殖和发育过程是 ( )。
A．受精卵→幼虫→蛹→成虫
B．受精卵→幼虫→成虫
C．受精卵→蛹→幼虫→成虫
D．受精卵→蛹→成虫
答案
答案：B
蝗虫的发育过程：蝗虫的发育从受精卵，经历幼虫、成虫共三个阶段，它的发育是不完全变态发育．选B
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蝗虫的生殖和发育过程是 ( )。
A．受精卵→幼虫→蛹→成虫
B．受精卵→幼虫→成虫
C．受精卵→蛹→幼虫→成虫
D．受精卵→蛹→成虫
答案：B
蝗虫的发育过程：蝗虫的发育从受精卵，经历幼虫、成虫共三个阶段，它的发育是不完全变态发育．选B
| 完形填空。 This is __1__ bedroom. It's a nice room. You can see a bed, two __2__, a chair and a baseball on the floor. What __3__ see on the wall? You can see __4__ and a kite on the wall. You can also (还) see a window __5__ wall. Where's __6__ light (灯)? It's on __7__ table. Some plants are on the table, __8__. Where __9 __ his pencil-box and books? They're on the other (另一个) table. You can see a clock __10_ it. Under the chair is his baseball. It's a nice bedroom. | ||||
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