Among them multi-types of body colour and special types of hosts are the most universal phenomena. In our experiment, methods of microsatellite primer PCR molecular marker and partial gene sequence analysis of mitochondrial DNA COⅠ-Ⅱwere used to analyze genetic diversity of two body colour bio-types (red bio-type and green bio-type) of green peach aphid from different plants and relationship between green peach aphid and host plants by separately selecting individuals of aphid from rape, Chinese cabbage and tobacco. The main results as follows: 1. Selecting An Ruisheng'method of extracting DNA from small sized insect, using this method can extract DNA well and steadily.

本文采用微衛(wèi)星引物PCR 分子標記和線粒體COⅠ-Ⅱ部分序列分析的方法午夜理论影院第九电影院，分別選取十字花科植物中的甘藍和油菜玖玖色热在线，茄科植物中的煙草一级做a爱片久人毛片A片，對不同寄主上桃蚜的紅色和綠色兩種體色生物型的遺傳多態(tài)性及其與寄主植物的關系進行了研究很黄很黄的免费视频在线观看，取得的主要結果如下： 1、選取安瑞生(2002)小型昆蟲DNA 提取方法看美女免费操逼逼视频，能很好且比較穩(wěn)定的提取桃蚜基因組DNA又粗又大黄色艹逼。

Now the peach trees were in full bloom, and the peach blossoms looked like a sea of dense flowers.

現(xiàn)在， 桃花盛開著德国三级片网站，遠遠望去像是一片花海国产黄色亚洲。

A beautiful environment, adequate water and electricity, the local per capita green area to 28 square meters, peach flowers in full bloom every spring, 20, spent the Taolinkou a Marine, the famous Peach Blossom will attract a large number of overseas tourists to come sightseeing flower.

環(huán)境優(yōu)美，水電充足一级a姓爱免费视频，區(qū)內(nèi)人均綠地面積達到28平方米，每年春季桃花盛開的時候91精品一区综合在线观看，二十里桃林一片花的海洋国产ava片，著名的桃花會吸引了眾多的海內(nèi)外游客前來觀光賞花。

Mother lain on the bottom of the abyss quietly, around which was some scattered peach. She grasped a peach firmly. The color of the blood in her body had curdled into oppressive blackness.

娘靜靜地躺在谷底www.szfbsz.com，周邊是一些散落的桃子精品在线观看播放AV免费，她手里還緊緊攥著一個，身上的血早就凝固成了沉重的黑色无码视频中文字幕一区二区。

She was wearing a two-piece dress dyed in a peach color. There was a string of quivering pearls hanging down from the bun on her head. With the trace of a smile she said, I'm Peach. The three of us are sisters and we're the hostesses of this Green Water Mountain Villa.

她髻上垂著一串顫巍巍的珍珠欧美女人性生活视频，臉上掛著淺淺的微笑，說：「我是桃姑免费日韩黄黄色片观看品尚网，我們姐妹三個是這片碧水山苑的東主黄片AAAA。

Peach red leaf virus disease is a kind of new disease of peach which was first reported since 1990s in China.

桃樹紅葉病是20世紀90年代初由我國首先研究報道的新的病毒病害。

I used red heart-shaped peach cut and pasted in a greeting card, and then in the heart of peach in front of a small window cut one open you will see two typesetting:"Mum, I wish you a happy birthday!."

我用紅紙剪成桃心形貼在賀卡里国产高清无码网址，然后在桃心前面剪了一個小窗戶欧美色色成，一打開就可以看到兩排字：&媽媽，祝您生日快樂先锋在线资源网站！&26uuu亚洲欧美日韩在线。

Every day, open windows, you can smell the fragrance of peach flowers, take a walk out ,when thirsty, you can eat mouthfuls big red peach.

每一天www.肏屄，推開窗戶，就可以聞到桃花的香味午夜性交影视，出來散步時候鸥美作爱视频，口渴了，張開嘴就可以吃到又大又鮮紅的桃子黑人国产在线。

While fishing along a brook,the fisherman accidentally got to a place,where he saw peach trees on both banks,with peach blossoms like pink clouds and green grass like a carpet.

原句的狀語修飾關系在譯成英文時可轉(zhuǎn)譯為定語從句一本色道久久综合网加勒比。 [例 2]當漁夫沿著小溪捕魚時，無意中到了一個地方欧美欧美在线视频观看，只見兩岸都是桃林亚洲日本性爱欧美，桃花如霞，綠草如茵www,日本高清视频。

Went to Sung generation, people then started on the peach wooden board writing scrolls, 1 don't lose the peach wood evil meaning in the town, the fine wish of two expression oneselfs, three adornment gates, in order to the beauty.

到了宋代超碰毛片在线观看，人們便開始在桃木板上寫對聯(lián)，一則不失桃木鎮(zhèn)邪的意義黄色小视频网站网址在线免费观看，二則表達自己美好心愿欧美黑人做嫒在线视频，三則裝飾門戶，以求美觀青青操在线视频。