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【单选题】
(Had) the children pretended (asleep), the nurses were not (deceived) (when) they came into the room.
A.
Had
B.
asleep
C.
deceived
D.
when
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【单选题】GM Organisms By far the most common genetically modified (GM) organisms are crop plants. But the technology has now been applied to almost all forms of life, from pets that glow under UV light to bact...
A.
Y
B.
N
C.
NG
【单选题】要使船舶处于稳定平衡状态,必须满足的条件是______。
A.
GM=0
B.
GM0 D.GM≥0
【单选题】在Word 2010中, 文本被剪切后,它被保存在( )。
A.
临时文件
B.
自己新建的文档
C.
剪贴板
D.
硬盘
【单选题】如图 5 所示, 10 匝矩形线框在磁感应强度为 B =√ 2/10 T 的匀强磁场中,绕垂直磁场的轴 OO ′以角速度 ω = 100 rad/s 匀速转动,线框电阻不计,面积为 S = 0.3 m 2 ,线框通过滑环与一理想变压器的原线圈相连,副线圈接有两只灯泡 L 1 (0.3 W,30 Ω) 和 L 2 ,开关闭合时两灯泡均正常发光,且原线圈中电流表示数为 0.04 A ,则下列判断不正...
A.
.若从图示线框位置开始计时,线框中感应电动势的瞬时值为 30 cos (100 t ) V
B.
.理想变压器原、副线圈匝数比为 10 ∶ 1
C.
.灯泡 L 2 的额定功率为 0.9 W
D.
.若开关 S 断开,电流表示数将增大
【单选题】Which of the following is NOT the reason given by advocates of GM crops?
A.
GM crops can produce more nutritious foods.
B.
GM crops can be greatly helpful in feeding the growing population of the world.
C.
GM crops will benefit the environment by requiring fewer pesticides.
D.
GM crops can simplify operation in growing crops.
【判断题】In an automatic transmission, the gears are never physically moved and are always engaged to the same gears.
A.
正确
B.
错误
【单选题】额定值为1W、100Ω的电阻,若正常使用,允许加()电压。
A.
1V
B.
>10V
C.
<10V
D.
100V
【单选题】在Word 2010中,文本被剪切后,它被保存在( )。
A.
临时文档
B.
自己新建的文档
C.
剪贴板
D.
硬盘
【判断题】交流接触器线圈起动功率和吸持功率相等。
A.
正确
B.
错误
【单选题】[2016单选题]16.在Word2010中,文本被剪切后,它被保存在______________ 。
A.
临时文档
B.
自己新建的文档
C.
剪贴板
D.
硬盘
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