Which of the following words matches the sound /redi/?
A. ready
B. read
C. ride
D. red
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—The 2016 Olympic Games ________ in Brazil. Would you like to go there? — Maybe, if possible
A. are held
B. were held
C. will be held
D. have been held
斜交结构外胎由那几部分组成()。
A. 胎面胶、缓冲层、帘布层
B. 胎面胶、缓冲层、帘布层、胎圈
C. 缓冲层、帘布层、胎圈
D. 胎面胶、缓冲层、胎圈
发动机润滑系由那几部分组成?()
A. 机油泵、机油滤清器、机油散热器、机油输油泵
B. 机油泵、机油滤清器、机油散热器、机油密封环
C. 机油泵、机油滤清器、机油输油管、机油密封环
D. 机油输油泵、机油滤清器、机油散热器、机油密封环
病室湿度过低时,病人会感到
A. 头晕、疲倦、食欲减退
B. 闷热、难受
C. 呼吸道黏膜干燥、咽痛
D. 机体散热不畅、皮肤干燥
E. 消化不良、腹胀便秘