电梯
参考答案:
是指动力驱动,利用沿刚性导轨运行的箱体或者沿固定线路运行的梯级(踏步),进行升降或者平等运送人、货物的机电设备,包括载人(货)电梯、自动扶梯、自动人行道路等。
阅读大观园,快乐选 一选。
My name is Li Ming. I am from Beijing. I live in Canada now. I like western ( 西方的) food. Hot
dogs and donuts are my favourire food. They are very delicious. Ce-real is good, too. I have cercal for
breakfast. I put sugar on cereal. I have hot dogs and sandwiches for lunch. In the evening, I have donuts
for supper. I like Canada. I like the food, too.
l. Li Ming is from _____.
A. China
B. Canada
C. Shanghai
D. Shijiazhuang
2. ________ are Li Ming’s favourite food
A. Cercal and sandwiches
B. Cereal and hot dogs
C. Donuts and cercal
D. Donuts and hot dogs
3. Li Ming has _______ for breakfast.
A. cercal
B. sugar
C. sandwiches
D. hot dogs
4. Li Ming puts __________ for cercal.
A. hot dogs
B. pepper
C. sugar
D. salt
5. Li Ming has _________ for supper.
B. hot dogs
D. donuts
工作总费用由直接费和间接费两部分组成,当工期被压缩时,会引起( )。
A.直接费增加,间接费减少B.直接费和间接费均增加C.直接费减少,间接费增加D.直接费和间接费均减少