有人认为转基因生物势必会打破自然界物种的原有界限,改变生态系统中的能量流动和物质循环

题型:单项选择题

问题:

有人认为转基因生物势必会打破自然界物种的原有界限,改变生态系统中的能量流动和物质循环,会对生态系统的稳定性造成破坏。下列哪项是对上述观点的完全反驳()

A.种植转基因抗虫作物,可以减少农药的使用量

B.种植抗除草剂农作物可以保护农田土壤环境

C.重组的微生物在降解某些化合物的过程中所产生的中间产物,可能会造成二次污染

D.转基因生物不会改变生物原有的分类地位,充其量只能说明是具有某种新特征的同一物种,不会破坏生态系统的稳定性

考点:高中生物基因工程、生物技术的安全性和伦理问题基因工程、生物技术的安全性和伦理问题题库
题型:单项选择题

注意:下面出现的“”均为c:\wexam\25160001。
请根据以下各小题的要求设计Visual Basic应用程序(包括界面和代码)。
(1) 在名称为Form1的窗体上画一个标签,名称为L1,标签上显示“请输入密码”,在标签的右边画一个文本框,名称为Text1,其宽和高分别为2000和300,设置适当的属性使得在输入密码时,文本框中显示“*”字符,此外再把窗体的标题设置为“密码窗口”,以上这些设置都只能在属性窗口中进行设置,运行时的窗体如图20-1所示。
注意:存盘时必须存放在考生文件夹下,工程文件名为sjt1.vbp,窗体文件名为sjt1.frm。
(2) 在名称为Form1的窗体上画一个图片框,名称为P1。请编写适当的事件过程,使得在运行时,每单击图片框一次,就在图片框中输出“单击图片框”一次,每单击图片框外的窗体一次,就在窗体中输出“单击窗体”一次,如图20-2所示。要求程序中不得使用变量,每个事件过程中只能写一条语句。
注意:存盘时必须存放在考生文件夹下,工程文件名为sjt2.vbp,窗体文件名为sjt2.frm。

题型:单项选择题

输入大中家畜由( )负责审批。

A.农业部

B.国家质检总局

C.口岸检验检疫局

D.国务院

题型:单项选择题

马来丝虫病传播媒介主要是

A.中华按蚊

B.致倦库蚊

C.分斑虻

D.淡色库蚊

E.静斑虻

题型:单项选择题

根据销售合同审核信用证,指出信用证存在的问题并说明如何修改。
(1)销售合同


(5)装运期限:
TIME OF SHIPMENT: SHIPMENT TO BE EFFECTED BEFORE FEB.28, 2007
(6)装运港:
PORT OF LOADING: QINGDAO CHINA
(7)目的港:
PORT OF DESTINATION: KOBE JAPAN
(8)分批装运:
PARTIAL SHIPMENTS: NOT ALLOWED
(9)转船:
TRANSSHIPMENT: NOT ALLOWED
(10)付款条件:
TERMS OF PAYMENT: THE BUYER SHALL OPEN THROUGH A BANK ACCEPTABLE TO THE SELLER AN IRREVOCABLE SIGHT LETTER OF CREDIT WHICH REMAINS VAUDFOR NECOTIATLON IN CHINA UNTIL THE 15TH DAY AFTER THE DATE OF SHIPMENT.
(11)保险:
INSURANCE: TO BE COVERED BY THE BUYER.
(12)REMARKS: 5% MORE OR LESS LN QUANTITY AND AMOUNT IS ALLOWED.
Confirmed by:
买方 高岛 卖方 洪坡
THE BUYER THE SELLER
(2)信用证
2006 DEC25 15:55:52 LOGICAL TERMINAL P005
MT700 ISSUE OF A DOCUMENTARY CREDIT PAGE 00001
RUNC SWPR3
UMR 001 82387
MAGACK DWS765 1 AUTH OK, KEY B19604214FAEA982, BKCHCNBJ SAIB JPJT RECORD
BASIC HEADERF 01 BKCHCNBJA300 81 18 157214
APPLICATION HEADER 0 700 1547 061225 SAIBJPJTCXXX 3846 992024 050225 1447
*ASAHI BANK LTD, <FORMERLY THE
*KYOWA SAIYAMA BANK. LTD. >
*TOKYO
USER HEADER SERVICE CODE 103:
BANK PRIORITY 113:
MSG USER REF. 108:
INFO. FROM CI 115:
SEQUENCE OF TOTAL *27 : 1/1
FORM OF DOC, CREDIT *40 : REVOCABLE
DOC, CREDIT NUMBER *20 : LC-788-392328
DATE OF ISSUE *31C : 061225
EXPIRY *31D : DATE 070215
PIACE IN THE COUNTRY OF THE APPUCANT
APPLICANT *50 SAKULAN CO., LTD.
ITC BUILDINC 6TH FLOOR SUITE 602 1-8-4
CHOME ISOBE-DORI CHUO-KU KOBE JAPAN
BENEFICIARY *59 QINGDAO HUANXING IMP. &EXP. CO., LTD.
NO.1005 ZHONGSHAN ROAD(E.1),
QINGDAO CHINA
AMOUNT *32B : CURRENCY USD AMOUNT 123000,00
MAX. CREDIT AMOUNT *39 : UP TO
AVAILABLE WITH/BY *41D : ANY BANK
BY NEGOTIATION
DRAFTS AT... *42C : DRAFTS AT SIGHT FOR FULL INVOICE
VALUE
DRAWEE *42A :
*ASAHI BANK LTD, <FORMERLY THE
*KYOWA SAIYAMA BANK, LTD. >
*TOKYO
PARTIAL SHIPMENTS *43P : NOT ALLOWED
TRANSSHIPMENT *43T : ALLOWED
LOADING IN CHARGE *44A : SHIPMENT FROM CHINESE PORT(S)
FOR TRANSPORT TO... *44B : TO TOKYO, JAPAN
LATEST DATE OF SHIP. *44C : 070130
DESCRIPT. OF GOODS *45A :
(1)MAN’S BELT 3100PCS @ USD12.00
1)MATERIAL: PU
2)SIZE 100×4.8CM
3)OUTER PACKING: 150PCS/CTN
(2)FASHION BELT 4800PCS @ USD15.00
1)SIZE: 105×8CM
2)MATERIAL: PU, NEEDLE BUCKLE
3)OUTER PACKING: 120PCS/CTN
(3)DIAMANTE BELT 550PCS @ USD30.00
1)SIZE: 105×3.8CM
2)MATERIAL: METALLIC PU WITH NEEDLE BUCKLE
3)OUTER PACKING: 100PCS/CTN
PRICE TERM: CIF
DOCUMENTS REQUIRED *46A
+3/3 SET OF ORIGINAL CIEAN ON BOARD OCEAN BILLS OF LADING MADE OUT TO ORDER OF SHIPPER AND BLANK ENDORSED, MARKED "FREIGHT PREPAID" AND NOTIFY APPLICANT
+ORIGINAL SIGNED COMMERCLAL INVOICE IN 5 FOLD INDICATING CONTRACT NO.
+INSURANCE POLICY OR CERTIFICATE, ENDORSED IN BLANK, FOR 110PCT OF THE INVOICE VALUE
INCLUDING: THE INSTITUTE CARGO CLAUSES(A), THE INSTITUTE WAR CLAUSES AND THE INSTITUTE STRIKES, RIOTS AND CIVIL MOTIONS CLAUSES, INSURANCE CLAIMS TO BE PAYABLE IN JAPAN
+CERTIFICATE OF ORIGIN IN 1 ORICINAL AND 1 COPY.
+PACKING LIST IN 3 FOLD
+WEIGHT LIST IN 3 FOLD
ADDITIONAL COND. *47
1.T.T. REIMBURSEMENT IS PROHIBITED.
2.10PCT MORE OR LESS IN QUANTITY ACCEPTABLE.
3.THE COODS TO BE PACKED IN STRONG EXPORT CARTONS.
DETAILS OF CHARGES *71B ALL BANKING CHARGES OUTSIDE JAPAN INCLUDING REIMBURSEMENT COMMISSIONS ARE FOR ACCOUNT OF BENEFICIARY.
PRESENTATION PERIOD *48 DOCUMENTS TO BE PRESENTED WITHIN 5 DAY AFTER THE DATE OF SHIPMENT, BUT WITHIN THE VALIDITY OF THE CREDIT.
CONFIRMATION *49 : WITHOUT
INSTRUCTIONS *78:
THIS CREDIT IS NON-OPERATIVE UNLESS THE OPENING BANK GIVE FURTHER ADVISE.
THE NECOTIATION BANK MUST FORWARD THE DRAFTS AND ALL DOCUMENTS BY REGISTERED AIRMAIL DIRECT TO US (INT’L OPERATIONS CENTER MAIL ADDRESS:C.P.O.BOX NO. 800 TOKYO 100-91 JAPAN) IN TWO CONSECUTIVE LOTS, UPON RECEIPTOF THE DRAFTS AND DOCUMENTS IN ORDER, WE WILL REIMBURSE THE NEGOTIATINGBANK IN ACCORDANCE WITH THEIR INSTRUCTIONS.
TRAILER : ORDER IS <MAC: > <PAC: > <ENC: > <CHK: > <TNG: >
MAC: 3CDFF763’
CHK: 8A1AA1203070

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