皮皮学，免费搜题
登录
搜题
【单选题】
Engine operating conditions may be indicated by the color of the exhaust smoke Black smoke could indicate .A.
an insufficient speed droop setting
B.
an overloaded engine
C.
clogged drain holes in the oil control rings
D.
complete combustion
拍照语音搜题，微信中搜索"皮皮学"使用
参考答案：
参考解析：
知识点：
皮皮学刷刷变学霸
举一反三
【单选题】Tom should have_____up at five o’clock,but he didn’t arrive until o’clock.
A.
Shown
B.
Spoke
C.
Put
D.
Got
【单选题】I invited him for eight o’clock, but he didn’t until nine-thirty.
A.
show up
B.
shown up
C.
showed up
【简答题】六千二百万三千七百八
【简答题】One day, a boy had a fight with one of his classmates. He didn’t wait until school was over, and hurried home to his grandfather. He told him his story angrily. “He is really bad,” the boy said, “and ...
【简答题】24005600读作： 4578000000读作： 1443800读作： 九百六十万写作： 三百二十万一千零三写作： 六亿六千万六千七百写作：
【单选题】John was so shy at the party that he didn’t speak until ().
A.
he was spoken
B.
being spoken
C.
being spoken to
D.
spoken to
相关题目：