皮皮学，免费搜题
登录
搜题
【判断题】
把一根圆柱体木头,削成一个最大的圆锥体.削去体积是圆锥体积的2倍。A.
正确
B.
错误
拍照语音搜题，微信中搜索"皮皮学"使用
参考答案：
参考解析：
知识点：
皮皮学刷刷变学霸
举一反三
【简答题】背压阀的作用是使液压缸回路中具有一定压力,保证运动部件工作平衡;说出至少能作为背压阀使用的三种阀 、 、 。 ( 回答出三种即可 )
【单选题】___________________, and we will do the work better.
A.
Given more time
B.
Give us more time
C.
Giving us more time
D.
Having given us more time
【简答题】背压阀的作用是使液压缸回路中具有一定压力，保证运动部件工作平衡；说出至少能作为背压阀使用的三种阀 、 、 。(回答出三种即可)
【简答题】用下列单词以“ - 아요 / 어요 ”的正确形式填空。 춥다 , 덥다 , 어렵다 , 쉽다 , 뜨겁다 , 차갑다 , 가깝다 , 아름답다 , 맵다 ( 1 ) ᄀ : 김치 맛이 어때요 ? ᄂ : ( 2 ) ᄀ : 집이 학교에서 멀어요 ? ᄂ : 아니오 , ( 3 ) ᄀ : 한국의 겨울 날씨는 어떻습니까 ? ᄂ : ( 4 ) ᄀ : 나는 장미꽃을 좋아합니다 。 ᄂ : ...
【单选题】This approach, ______ more expensive than the basic one, provides us with considerably more usage flexibility.
A.
as
B.
since
C.
while
D.
if
【单选题】Give us one more chance, ( ) we could have the task fulfilled.
A.
so
B.
and
C.
or
D.
but
【单选题】_______, and we will do the work better.
A.
Give us more time
B.
Given more time
C.
Giving us more time
D.
Having given us more time
【单选题】The discoveries of science often are a mixed blessing. On the one hand they give us valuable pesticides that enable the farmer to grow more abundant crops and on the other hand they ______ the benefit...
A.
compromise
B.
misplace
C.
damage
D.
counterract
【单选题】________ and we’ll get everything ready for the taking off.
A.
Have one more hour
B.
One more hour
C.
Give one more hour
D.
If we have one more hour
相关题目：