问题
选择题
下列不属于生物多样性的是
A．物种多样性
B．基因多样性
C．数量多样性
D．生态系统多样性
答案
答案：C
该题考查的是生物多样性的含义，生物多样性包括：物种多样性、遗传多样性（基因多样性）、生态系统多样性。
搜题请搜索小程序“爱下问搜题”
下列不属于生物多样性的是
A．物种多样性
B．基因多样性
C．数量多样性
D．生态系统多样性
答案：C
该题考查的是生物多样性的含义，生物多样性包括：物种多样性、遗传多样性（基因多样性）、生态系统多样性。
| 完形填空。 | ||||
| Rick goes to Boston ___1___ a meeting. The meeting is in Prince's Building on ___2___ Street, and Rick wants to be there on time. However, it is Rick's first time to visit the city, ___3___ he doesn't know his way around. When he sees an old couple sitting on a bench, he goes up to ask for ___4___. The couple kindly tell Rick to ___5___ the underground and to get ___6___ at Prince Station. Rick follows their direction, gets off at Prince Station and walks east for two blocks. An hour later, he is disappointed (失望的) to find that he is ___7___ 41st Street, not 44th Street. The ___8___ misheard (听错) him and gave him the ___9___ direction. Another hour later, when a policeman takes him back, he sees the old couple again. They are still ___10___ on the bench, right in front of Prince's Building. | ||||
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