皮皮学,免费搜题
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搜题
【单选题】
超高压压缩机的转速一般在
A.
300~500r/min
B.
125~200r/min
C.
500~800r/min
D.
750~900r/min
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举一反三
【判断题】TCP/IP协议只是两个协议。
A.
正确
B.
错误
【判断题】TCP/IP 协议只是包含 TCP 和 IP 两个协议。
A.
正确
B.
错误
【单选题】评价肺通气功能, 下列哪个指标较好( )。
A.
潮气量
B.
机能余气量
C.
肺活量
D.
时间肺活量
【单选题】Li Ming is an old friend of _______
A.
their
B.
my
C.
mine
D.
I
【多选题】下列哪些植物属于防风固沙植物?
A.
大米草
B.
杨树
C.
梭梭树
D.
沙拐枣
【简答题】Li Ming and Li Tao are twin brothers . They look the same . They’re Chinese . Jim is an English boy . He’s Li Ming and Li Tao’s classmate. He’s twelve years old . His sister’s name is Joy. She is thir...
【简答题】阅读理解。 1.Lin Yang: I know Yao Ming. He is great. I want to play sports with my friends. But we don't have soccer balls, basketballs or volleyballs. 2.Liu Mei: It's very cold here, but I have only an ol...
【单选题】如果灯光中的intensity为负值,则( )。
A.
灯光将照亮场景
B.
灯光将产生阴影
C.
灯光将吸收光线
D.
灯光将影响照明颜色
【简答题】听音,选出与你听到的内容不符部分的序号。 (     ) 1. Lynn is four years old . A    B  C D (     ) 2. My brother is an bus driver . A   B  C    D (     ) 3. What country is west of Canada ? A  B   C   D (     ) 4. Do you k...
【简答题】完成句子。 完成第二个句子,使之与第一句意义相同,每空只填一词。 1. Li Ming is said to have learned 5,000 words up to now. _____ is said that Li Ming _____ learned 5,000 words up to now. 2. He didn't lend me his computer until I pro...
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