问题
选择题
提到细菌，你会想到芽孢．下列关于芽孢的叙述错误的是（ ）
A．一个芽孢可以萌发成一个细菌
B．芽孢是细菌用来生殖的结构
C．芽孢是细菌的休眠体
D．芽孢对不良环境有较强的抵抗能力
答案
答案：B
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提到细菌，你会想到芽孢．下列关于芽孢的叙述错误的是（ ）
A．一个芽孢可以萌发成一个细菌
B．芽孢是细菌用来生殖的结构
C．芽孢是细菌的休眠体
D．芽孢对不良环境有较强的抵抗能力
答案：B
| 用所给单词的正确形式填空 | |
Han De: Thanks for (2)________ me. Why do you call it dinner when we are eating (3)________ noon? Lily: Because it's a big (4)________. We call it dinner when we have a lot to (5)________. Han De: Is that a chicken? It's (6)________ big! Lily: No, it's a (7)________. Han De: Why do America and Canada (8)________ Thanksgiving Day? Lily: It's like your Mid-Autumn Festival. In China, (9)________ get together and celebrate the bright, round moon. In America and Canada, families get together to celebrate the harvest (丰收). Han De: So we (10)________ have an autumn festival. Lily: Yes, and we each celebrate with our families. |