【单选题】Proper filtering and straining of diesel fuel is important because the .
A.
fuel oil pump will over-speed if dirt is not removed
B.
fuel oil transfer pumps cannot tolerate small amounts of grit in the oil
C.
fuel injectors may be damaged by foreign particles in the fuel oil dirty
D.
fuel will clog the intake air filter
【单选题】下列加横线的字注音有错误的一项是 ( )
A.
峥 嵘 ( róng ) 惆 怅 (ch à ng) 徘 徊 ( h uá i) 蓦 ( mò ) 然
B.
纶 (l ú n)巾 飘 零 (l í n) 暮 霭 (ǎi) 欢 谑 (xiè)
C.
潦 (li áo )倒 双 鬓 (bìn) 渚 (zh ǔ )清 凝 噎 (y ē )
D.
馔 (zhu à n)玉 玉 簟 ( d i à n) 镂 (l ò u)刻 驽 ( n ú )马
【单选题】下列词语中加横线字的注音有误的一项是( )
A.
甿隶(méng) 万乘(shèng) 锄耰棘矜(yōu qín)
B.
鞭笞(chī) 从散约败(zòng) 瓮牖绳枢(yǒu)
C.
隳名城 (huī) 蹑足行伍 (háng) 度长絜大(dù jié)
D.
以窥周室(kuī) 亡矢遗镞(shǐ iú) 逡巡(qùn)
【简答题】图所示电路中,E=3V,u S (t)=2 sin 2tV,反映有效值的各表读数为:电流表A读数为 A,电压表V 1 读数为2V,电压表V 2 读数为 V,且发现在u S (t)单独激励时,V 1 和V 2 读数相等。试确定R 1 、R 2 、L、C的值。
【单选题】下列词语中加横线字的注音有误的一项是
A.
甿 隶( m é ng ) 万 乘 ( sh è ng ) 锄 耰 棘 矜 ( y ō u q í n )
B.
鞭 笞 ( ch ī) 从 散约败( zòng ) 瓮 牖 绳枢( y ǒ u )
C.
隳 名城 ( hu ī) 蹑足 行 伍 ( h á ng ) 度 长 絜 大( d ù ji é)
D.
以 窥 周室( ku ī) 亡 矢 遗 镞 ( sh ǐ z ú) 逡 巡( qūn )
【判断题】车速行驶到一定程度时,ESP开关将不能再关闭ESP系统。
【单选题】下列词语中加横线字的注音有误的一项是( )
A.
氓 隶(méng) 万乘(shèng) 锄耰棘矜(yōu qín)
B.
鞭笞(chī) 从散约败(zòng) 瓮牖绳枢(yǒu)
C.
隳 名城 (huī) 蹑足行伍 (háng) 度长絜大(dù jié)
D.
以窥周室(kuī) 亡矢遗镞(shǐ zú) 逡巡(qùn)
【单选题】According to the last paragraph, what is NOT true of the new fuel cells?
A.
The new fuel cells run on sugar that is easy to find.
B.
The new fuel cells am environment friendly.
C.
The new fuel cells are biologically degradable.
D.
It will take some time before the new fuel cells can be used in popular products.
【单选题】下列加横线字注音有误的一项是( )
A.
粘 牢(zhān) 狐 肷 (qiǎn) 笙 箫(shēnɡ) 鱼 鳞 (lín)
B.
冥 衣(mínɡ) 麦 穗 (suì) 强 求(qiǎnɡ) 雕 镂 (lòu)
C.
圭 峰碑(ɡuī) 衙 役 (yì) 践 踏(jiàn) 瓜 瓤 (ránɡ)
D.
中 看(zhōnɡ) 忻 县(xīn) 郿 坞 县(wù) 笃 瓜(dǔ)
【单选题】Solid fuel rockets are expensive to operate because of their ______.