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【多选题】
焊缝有对接焊缝和角焊缝两种形式,角焊缝用于以下哪种接头形式( )。A.
对接接头
B.
搭接接头
C.
角接接头
D.
T形接头
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皮皮学刷刷变学霸
举一反三
【单选题】子宫颈癌直接蔓延途径中最为常见的是（）
A.
沿子宫下段肌壁间向上蔓延
B.
外生型沿阴道黏膜向下蔓延
C.
沿宫旁两侧向盆壁蔓延
D.
沿宫颈前方向膀胱蔓延
E.
沿宫颈后方向直肠蔓延
【单选题】关于水灭火系统、二氧化碳系统、干粉灭火系统、泡沫系统，下列说法错误的是：
A.
水灭火系统适用于任何船舶
B.
二氧化碳系统适用于货船凡是有可燃物的处所
C.
干粉灭火系统主要适用于液化气体船
D.
泡沫系统主要适用于大型油船的货油舱、机舱及货油舱甲板区域
【单选题】Which is not correct?
A.
In the old days, farmers keep them and decorate it with flowers.
B.
In the old days, farmers always make little dolls out of corn.
C.
In the old days, farmers always keep some of the last corn.
D.
In the old days, farmers always eat all the last corn.
【单选题】Ricci is compared to Columbus in the passage mainly because
A.
they both benefited from Italian sponsors.
B.
they were explorers in their own ways.
C.
they obtained overseas sponsorship.
D.
they got a warm reception in America.
【单选题】Which of the following is NOT true?
A.
Spielberg’s Firelight was quite a success as a beginner’s first try.
B.
Spielberg himself was terrified by the book Jaws.
C.
Raiders of the Lost Ark was a great hit after Jaws.
D.
The producer of Sugarland Express considered it a failure.
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