在广州春交会上，进口时申报价格为HKD150000的台湾产健身器材，被国内公司以HK

玉米果穗上常有缺粒现象发生，造成这种现象的原因主要是[ ]

A．水分不足

B．肥料不足

C．传粉不足

D．光照不足

16V240ZJB型柴油机的标定功率为（）kW。

A．2427

B．2515

C．2650

商品通过交易活动，将其所有权由供给方转让给需求方的过程，称为物流。( )

口腔中的主要致龋菌是（）。

A．变形链球菌

B．中间普氏菌

C．伴放线放线杆菌

D．唾液链球菌

E．以上都不是

The clinic nurse is instructing a group of parents about emergency treatment for accidental poisoning and injury. Which of the following statements by one of the mothers indicates that she needs further instruction

A. "I should flush my child’s eye with room temperature tap water for 15 to 20 minutes if a caustic material gets into it. "
B. "I should save the emesis if my child vomits. "
C. "I should call the poison control center if there are any symptoms. "
D. "I should give 2 to 5 teaspoons of clear fluids after administering ipecac. \