【单选题】12因旅行社原因造成渭南乘坐预订的公共交通工具的,旅行社应当向赔偿旅游者的直接经济损失,并支付直接经济损失()的违约金。P194
【多选题】地欧酮(DOM)作为鱼类繁殖催产剂的优缺点主要有( )
A.
可以抑制或消除促性腺激素释放激素抑制激素(GRIH)对下丘脑促性腺激素释放激素(GnRH)的影响
D.
地欧酮对催产效果的稳定性和安全性还有待进一步研究和实践
【多选题】HCG作为鱼类繁殖催产剂的优缺点主要有( )
【单选题】According to the rules of the factory, you mustn't ask for leave ______ you have a doctor's note.
【判断题】制动夹钳装置应其全,液压缸及油管无漏油,各部件无裂纹;
【单选题】According to the passage, if you have a share of a company or a factory, it means that you ______ .
A.
can buy the company or the factory
B.
can sell the company or the factory
C.
will become the owner of the company or the factory
D.
are one of the owners of the company or the factory
【单选题】According to the rules of the factory, you can ask for leave ________ you have a doctor's diagnosed note. [ ]
【单选题】You will see this product made in this factory ______ wherever you go.
【单选题】黄金之所以呈现金黄色是因为
A.
黄金对可见光谱中的橙黄光和红外线区域有很高的吸收性能
B.
黄金对可见光谱中的橙黄光和红外线区域有很高的反射性能
C.
黄金对可见光谱中的橙黄光和紫外线区域有很高的吸收性能
D.
黄金对可见光谱中的橙黄光和紫外线区域有很高的反射性能