题目内容
（请给出正确答案）
A、Ectoderm only
B、Ectoderm and mesoderm only
C、Ectoderm and endoderm only
D、Ectoderm,mesoderm,endoderm
简答题官方参考答案
（由简答题聘请的专业题库老师提供的解答）
更多“The epiblast is capable of forming which of the following germ layers？”相关的问题
A、planning
B、controlling
C、budgeting
D、analyzing
A.Federal spending in R&D．
B.Private spending in R&D．
C.Federal spending in R&D as a share of GDP．
D.Gross spending in R&D as a share of GDP．
MERRYBEST INTERNATIONAL CO.
F1.4, No.141, Sec.4, Hsin-Yi Road , Taipei, Taiwan China
Tel: 886-2-27051608 Fax: 886-2-27056741
E-mail Address: merrbest@ msa. hinet. Net
Date : July 15, 2008
To: BATA Crane Ltd.
P.O.Box 9370, Daytona Beach
FL 32150 , U.S.A.
Our Ref.No.MB-012
Attn：Export Manager
Subject: Inquiry, for Water Hammer Arresters
Dear Sirs,
As the leading manufacturer of Valve & Piping Accessories here in Taiwan China, we are looking for the Water Hammer Arresters now. From the Name List of U.S.Suppliers, we know you are the manufacturer of these products and hope that you can mail your relevant catalogs or brochure to us soon.
Besides, please kindly make your best quotation according to our enclosed drawing and send it to us by fax for our evaluation as soon as you can.
Many thanks for your attention to the above and look forward to starting the business cooperation with you in the near future.
Very truly yours,
Merrybest Int'l Co.
Jane Jiang
V. President
Encl.: Drawing No.MB050
信头Letter Head：______
日期Date______
封内地址Inside Address______
称呼Salutation______
正文Body______
结尾敬语Complimentary Close______
签名Signature______
事由Subject______
附件Enclosure______
参考号Ref. No.______
经办人Attention Line______
A、The site of historical interest has astonished every tourist.
B、Göbekli Tepe resembles Stonehenge but the carving is not as intricate as that of Stonehenge.
C、The significance of Göbekli Tep’s excavation is yet to be defined.
D、Göbekli Tepe provides scientists with evidence that human beings can make history.
A、Documentary credit.
B、Payment in advance.
C、Open account trading.
D、Documentary collection.
A、syncytiotrophoblast only
B、cytotrophoblast only
C、syncytiotrophoblast and cytotrophoblast
D、syncytiotrophoblast and fetal endothelium
A、decidua basalis and secondary chorionic villi
B、decidua parietalis and tertiary chorionicvilli
C、decidua capsularis and villous chorion
D、decidua basalis and villous chorion
A、maternal blood
B、fetal blood
C、maternal and fetal blood
D、amniotic fluid
A、Insulin is highly teratogenic;discontinue treatment
B、Insulin does not cross the placental membrane
C、Insulin crosses the placental membrane but is degraded rapidly
D、Insulin will benefit her baby by increasing glucose metabolism
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