搜题请搜索小程序“爱下问搜题”
问题 问答题 简答题

举例说明光照强度理论在农业生产上有何应用？

答案

参考答案：

合理密植要选用较耐阴的作物，也就是光饱和点低的作物。

果树的整枝修剪。

杂草防治。

麻类作物应该密植。

棉花不宜密植。

阅读理解

信息匹配。

     阅读下列应用文及相关信息，并按照要求匹配信息。以下是广告信息：

以下是与广告相关的读者来信。请匹配来信与它们所对应的广告。

( )1.                                                                                                                     May 15, 2006

Gentleman,

     The enclosed advertisement for your organization comes from the April issue of Cosmopolitan. I am

interested in doing volunteer work for abused children and would 1ike to have your information booklet.

My address is as follows:

                                                                                                                              6 Villa Maurice,

                                                                                                                     92160 Antony France

                                                                                                                                   Yours truly, 

                                                                                                                                   D. Gruber

( )2.                                                                                                                  January 15, 2006

Dear Sir or Madam,

     I am interested in writing adventure stories for children. Please send information on the course you offer

to the following address:

                                                                                                                         5481 Torrance Blvd, 

                                                                                                                         Torrance, CA 90503

                                                                                                                         Yours faithfully,

                                                                                                                          Irene Ponbs (Ms)

( )3.                                                                                                                        April 14, 2006

Dear Sir or Madam,

     I am interested in finding a part-time job in the morning. Please send information to the following address:

2955 Pacific Coast Highway, 

                                                                                                                           Torrance, CA 90505 

                                                                                                                            Sincerely, 

                                                                                                                            M. E. Nielson (Mr)

( )4.                                                                                                                   1068 Baxter Road,

                                                                                                                        Loveland, Ohio 45140

                                                                                                                                March 13, 2006

Dear Sir or Madam,

     Please send me your catalog and information on the service you offer. I have a small business and have

been robbed several times.

                                                                                                                                       Yours truly,

                                                                                                                                       J. Barnes

( )5. 

                                                                                                                          Am Frankenheim 21,

                                                                                                                      5000 Koln 40 Germany

                                                                                                                                     June 1, 2006

Dear Sir,

     I would like to receive the list mentioned in your recent advertisement, as well as more information about

L.A. Parent. I enclose a self-addressed envelope.

                                                                                                                                   Yours faithfully, 

                                                                                                                                    H. Wolf

查看答案
单项选择题 A1/A2型题

气管管壁的结构包括（）。

A.由黏膜、黏膜下层和外膜三层组成

B.黏膜由上皮和固有层组成

C.黏膜下层有气管腺

D.外膜有C形透明软骨环

E.以上均是
查看答案