正确答案: A

纤维层

题目：花药的药室内壁即是( )。

解析：A

查看原题

举一反三的答案和解析：

[单选题]---Hi, Tom. Any idea where Jane is?---Shein the classroom. I saw her there just now.

must be

[单选题]If you plant watermelon seeds in the spring, you fresh watermelon in the fall.

will be eating

解析：解析：本题考查条件句的时态。根据句意：如果你在春天种下西瓜种子，你会在秋天吃到新鲜的西瓜。可以判断这是真实的条件从句，会发生的事情，所以选择will be eating表将来。

[单选题]What feature of “body language”mentioned in the passage is common to both humans and animals?

Bowing heads when willing to obey.

[单选题]According to the text, what is the major cause of the flooding spam?

More advertisers begin to promote sales through spam.

解析：

推理判断题。由第二自然段中的As more and more advertisers turn to spam to sell their products, individual e-mail boxes are often flooded with spam e-mails.一句可知本题选D。

[单选题]BWhen something goes wrong，it can be very satisfying to say，”Well,it’s so-and-so’s fault.”or “I know I’m late，but it’s not my fault；the car broke down.”It is probably not your fault，but once you form. the habit of blaming somebody or something else for a bad situation，you are a loser. You have no power and could do nothing that helps change the situation. However,you can have great power over what happens to you if you stop focusing on whom to blame and start focusing on how to remedy the situation. This is the winner’s key to success.

blame themselves rather that others

解析：

由第一段“However, you can have great power over what happens to you if you stop focusing on whom to blame and start focusing on how to remedy the situation.”可知

[单选题]“五加皮酒”是用五加树皮泡酒而成。( )

错误

解析：解析：将“树”改为“根”。

[单选题]下列对原文有关内容的分析和概括，不正确的一项是（3分）

孙谦任钱塘令时操守廉洁，不受馈赠。由于没有私人住宅，离任时只能借住在官府空车库里。明帝想将他引为亲信，因为他不愿意而被迫放弃这一想法。