皮皮学,免费搜题
登录
logo - 刷刷题
搜题
【单选题】
Gabriel Ndong believes that the plantation cannot compete with those in West Indies mainly because of ____________.
A.
its mismanagement
B.
the debts it owes to international agencies
C.
the waste caused by the purchase of latest Western technology
D.
the poor natural conditions in the country
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
【单选题】蛋黄中( )含量特别高,故不宜多食用鸡蛋。
A.
蛋白质
B.
脂肪
C.
能量
D.
胆固醇
【单选题】The only practical method of maintaining a constant voltage output from an aircraft generator under varying conditions of speed and load is to vary the _______________.
A.
strength of the magnetic field
B.
number of conductors in the armature
C.
speed at which the armature rotates
D.
brush pressure on the commutator segments
【单选题】内部报告形成阶段的起点是( )
A.
建立内部报告及指标体系
B.
收集整理内外信息
C.
形成内部报告
D.
审核内部报告
【单选题】患者女,46岁,双眼不能完全睁开,全身无力,前纵膈内发现肿块,最可能是
A.
胸腺瘤
B.
畸胎瘤
C.
胸内甲状腺肿
D.
心包囊肿
【单选题】在坐标镗床上镗削圆锥角为α的圆锥孔时,镗刀的轴向进给量L与镗刀的径向进给量H需要保持规定的比值()。
A.
tanα=
B.
tan=
C.
sinα=
D.
cosα=
【单选题】The speed of a synchronous machine is directly proportional to () in its armature under steady-state conditions
A.
the amplitude of the current
B.
the frequency of the current
C.
the amplitude ofthe voltage
D.
the flux
【简答题】请填入连接词:that,but,who,whereby,where,whence,as,than,which 1.There is no material will deform(形变)more or less under the action of forces . 2.Ohm’s law can be written as V = IR V represents voltage, I — cu...
【单选题】For two AC contactors of the same type, the rated voltage of the coil is 220V. If the coils of the two contactors are used in series under the voltage of 220V, the main contact ( ).
A.
both don't act
B.
one acts, another not
C.
both acts
D.
None of  the above is correct
【单选题】某船夜间航行,航向002º,海图上在航线左正横附近及左前方有标注灯塔的两个小岛,查灯标表得:左正横A岛的灯塔为:Fl(2)6s10M备注栏:W060º~150º(090º)。左前方B灯塔为:Fl(2)5s13M,则该船驾驶员用罗经______。
A.
可先测B后测A灯塔定位
B.
可测B灯塔,无法测A灯塔
C.
可测A灯塔,无法测B灯塔
D.
可按任意顺序观测A、B灯塔定位
【单选题】某船夜间航行,航向002º,海图上在航线左正横附近及左前方有标注灯塔的两个小岛,查灯标表得:左正横A岛的灯塔为:F1(2)6s 10M备注栏:W060º~150º(090º)。左前方B灯塔为:F1(2)5s 13M,则该船驾驶员用罗经:
A.
可先测B后测A灯塔定位
B.
可测B灯塔,无法测A灯塔
C.
可测A灯塔、无法测B灯塔
D.
可按任意顺序观测A.B灯塔
相关题目:
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