皮皮学，免费搜题
登录
logo - 刷刷题
搜题
【单选题】
在相同条件下,喷灌所需劳动力仅为地面灌溉的( )
A.
1/3
B.
1/4
C.
1/5
D.
1/6
手机使用
分享
复制链接
新浪微博
分享QQ
微信扫一扫
微信内点击右上角“…”即可分享
反馈
参考答案：
举一反三
【多选题】下列关于碱性焊条表述正确的是
A.
含氧量少，焊缝力学性能较高
B.
脱氧脱硫磷能力强
C.
不易引弧
D.
电弧相对没有酸性焊条稳定
查看完整题目与答案
【简答题】受精膜 prefix="o" ns="urn:schemas-microsoft-com:office:office" ?xml:namespace>
查看完整题目与答案
【单选题】Buoyancy is a measure of the ship's ______.
A.
freeboard
B.
deadweight
C.
ability to float
D.
midships strength
查看完整题目与答案
【单选题】What is reserve buoyancy?（）.
A.
The amount of buoyancy measured in foot/tons
B.
The vertical distance above the waterline inside the hull
C.
The volune of space that is filled with water
D.
The volume of intact space above the waterline
查看完整题目与答案
【单选题】晚期囊胚侵入子宫内膜的过程称为 prefix="o" ns="urn:schemas-microsoft-com:office:office" ?xml:namespace>
A.
受精
B.
精子获能
C.
受精过程
D.
着床
E.
受精卵发育
查看完整题目与答案
【单选题】What is reserve buoyancy?
A.
The amount of buoyancy measured in foot/tons
B.
The vertical distance above the waterline inside the hull
C.
The volume of space that is filled with water
D.
The volume of intact space above the waterline
查看完整题目与答案
【单选题】海胆精子入卵时,卵子表面形成何种结构?( ) prefix="o" ns="urn:schemas-microsoft-com:office:office" ?xml:namespace>
A.
受精锥
B.
受精孔
C.
受精膜
D.
皮层颗粒
查看完整题目与答案
【单选题】The _______is the point at which a vertical line through the heeled ship’s center of buoyancy intersects with the vertical line through the upright ship’s center of buoyancy.
A.
 metacenter
B.
centre of buoyancy
C.
centre of gravity
D.
centre of flotation
查看完整题目与答案
【单选题】] What is reserve buoyancy ? ______
A.
The amount of buoyancy measure in foot / tons.
B.
The vertical distance above the waterline inside the hull.
C.
The volume of space that is filled with water.
D.
The volume of intact space above the waterline.
查看完整题目与答案
【单选题】引起前置胎盘的病因下列哪项不符
A.
人流、刮宫、感染等引起宫内膜受损及炎症
B.
单胎较双胎发生率高
C.
受精卵发育延迟 prefix="o" ns="urn:schemas-microsoft-com:office:office" ?xml:namespace>
D.
多胎妊娠胎盘面积过大
E.
膜状胎盘
查看完整题目与答案
相关题目：
【多选题】下列关于碱性焊条表述正确的是
A.
含氧量少，焊缝力学性能较高
B.
脱氧脱硫磷能力强
C.
不易引弧
D.
电弧相对没有酸性焊条稳定
查看完整题目与答案
【简答题】受精膜 prefix="o" ns="urn:schemas-microsoft-com:office:office" ?xml:namespace>
查看完整题目与答案
【单选题】Buoyancy is a measure of the ship's ______.
A.
freeboard
B.
deadweight
C.
ability to float
D.
midships strength
查看完整题目与答案
【单选题】What is reserve buoyancy?（）.
A.
The amount of buoyancy measured in foot/tons
B.
The vertical distance above the waterline inside the hull
C.
The volune of space that is filled with water
D.
The volume of intact space above the waterline
查看完整题目与答案
【单选题】晚期囊胚侵入子宫内膜的过程称为 prefix="o" ns="urn:schemas-microsoft-com:office:office" ?xml:namespace>
A.
受精
B.
精子获能
C.
受精过程
D.
着床
E.
受精卵发育
查看完整题目与答案
【单选题】What is reserve buoyancy?
A.
The amount of buoyancy measured in foot/tons
B.
The vertical distance above the waterline inside the hull
C.
The volume of space that is filled with water
D.
The volume of intact space above the waterline
查看完整题目与答案
【单选题】海胆精子入卵时,卵子表面形成何种结构?( ) prefix="o" ns="urn:schemas-microsoft-com:office:office" ?xml:namespace>
A.
受精锥
B.
受精孔
C.
受精膜
D.
皮层颗粒
查看完整题目与答案
【单选题】The _______is the point at which a vertical line through the heeled ship’s center of buoyancy intersects with the vertical line through the upright ship’s center of buoyancy.
A.
 metacenter
B.
centre of buoyancy
C.
centre of gravity
D.
centre of flotation
查看完整题目与答案
【单选题】] What is reserve buoyancy ? ______
A.
The amount of buoyancy measure in foot / tons.
B.
The vertical distance above the waterline inside the hull.
C.
The volume of space that is filled with water.
D.
The volume of intact space above the waterline.
查看完整题目与答案
【单选题】引起前置胎盘的病因下列哪项不符
A.
人流、刮宫、感染等引起宫内膜受损及炎症
B.
单胎较双胎发生率高
C.
受精卵发育延迟 prefix="o" ns="urn:schemas-microsoft-com:office:office" ?xml:namespace>
D.
多胎妊娠胎盘面积过大
E.
膜状胎盘
查看完整题目与答案
参考解析：
知识点：
题目纠错 0
发布
创建自己的小题库 - 刷刷题