正确答案: A

正确

题目：半夏的块茎有毒，可入药。( )

解析：A

查看原题

举一反三的答案和解析：

[单选题]45_______

came to

[单选题]For these reasons,I believe that lawmakers need to legislate (立法) against spam.Spammers should be fined,and perhaps sent to prison if they continue to disturb people.E-mail is a tool which helps people all over the world to communicate conveniently,but spam is destroying this conwenience.57.What does the underlined word “correspondence” in the Paragraph 1 probably mean?

messages

解析：

D

【文章导读】随着网络信息技术的发展，越来越多的人们实用网络邮箱来传递信息，但现在垃圾邮件的泛滥已经成为网络用户们深恶痛绝的事情，人们呼吁立法来阻止垃圾邮件的泛滥。

. A。【解析】词义猜测题。根据本文中的e-mail一词以及endless series of advertisements可以推断出correspondence在此处意思是：信件，垃圾邮件，由此可知本题选A。

[单选题]What is an advantage of the buildings meeting the Green Communities Standards?

Lower running costs.

[单选题]珠心、珠被和珠柄愈合的部位，称合点。( )

正确

[单选题]刺槐的刺是( )。

托叶刺