问题
选择题
生物物种灭绝速度加快的主要原因是[ ]
A．人口增长过慢
B．人口增长过快
C．植物增长过慢
D．植物增长过快
答案
答案：B
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生物物种灭绝速度加快的主要原因是[ ]
A．人口增长过慢
B．人口增长过快
C．植物增长过慢
D．植物增长过快
答案：B
| 阅读理解 | ||||||
A. Six. B. Four. C. Five. 2. If you lost your keys, you may call ________. A. 4872349 B. 4982456 C. 4129856 3. If you found a pencil case, it may be (可能是)_________. A. Mike’s B. Lisa’s C. Tom’s 4. Lisa found ________ according to (根据) the lost and found notices. A. a black and white cat B. a blue and white pencil case C. a red backpack 5. Who found a book? A. John. B. Mary. C. Mike. |