问题
单项选择题
在正常室温下（约70℉),发动机灭火瓶的压力是多少？
A、500PSI
B、600PSI
C、700PSI
D、800PSI
答案
参考答案：B
搜题请搜索小程序“爱下问搜题”
在正常室温下（约70℉),发动机灭火瓶的压力是多少？
A、500PSI
B、600PSI
C、700PSI
D、800PSI
参考答案：B
Do the boys and girls have the same favorite subjects? The answer is 66 . There are many differences (不同) between boys and girls 67 school. As we know, sometimes we say boys 68 math and girls like English. That’s right. Many boys like P.E. And 69 like science and math, too. Many 70 like Chinese and English, 71 science and math 72 their favorite subjects. Girls usually don’t like math 73 science. 74 don’t girls and boys have the same favorite subjects? We don’t know. 75 you know?
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