If I________there yesterday, I would have given you a hand.
A.were
B.was
C.have been
D.had been
A.were
B.was
C.have been
D.had been
第1题
A.斜线终点坐标(Xe,Ye),当︱Ye︱>︱Xe︱时,计数方向取GY
B.斜线终点坐标(Xe,Ye),当︱Xe︱>︱Ye︱时,计数方向取GY
C.圆弧终点坐标(Xe,Ye),当︱Xe︱>︱Ye︱时,计数方向取GY
D.圆弧终点坐标(Xe,Ye),当︱Xe︱<︱Ye︱时,计数方向取GY
第2题
A.John Keats
B.William Wordsworth
C.Byron
D.Sheelley
第3题
A.haven’t
B.not yet
C.already not
D.don’t yet
第5题
Something looks yellow because it ______.
A.absorbs mostly yellow light
B.reflects mostly yellow light
C.absorbs all light
D.reflects all light
第6题
_________the new pop singer built her first album piece by piece.
A. Over a year and a half
B. Over half and a year
C. Over one and a half year
D. Over year and half
第7题
127 The budget associated with scope changes that have been approved but not planned for yet, is referred to a(n) _____ budget.
A. Unauditable.
B. Undistributed.
C. Preauthorized.
D. Contingency.
E. In-process
第8题
A.平衡
B.吸收
C.解吸
D.无法确定
第9题
Bob:Rat happened?
Jenny:Well,I was walking to school,and I suddenly felt very sick.
Bob:Yes…
Jenny:So,I went back to my apartment and stayed in bed all day.
Bob:Oh,__________.
A.it,s terrible
B.it,s bad
C.I"m sorry to hear that
D.it’S sad
第10题
已知系统的开环传遇函数为
试采用频率法设计超前校正装置Ge(s)使得系统实现如下的性能指标
(a)静志速度误差系数Ky≥100:.
(b)开环械止频率心we>30:
(c)相位裕度ye>20°。