[单选] The construction portfolio may be included as part of the ship（）.

简述卫星通信的优点。 能够真实反映黄河济南河段冬季潜水与河流补给关系的是（） 。 。 。 。 一次事故涉及几个单位时应如何考核？ 由于同一原因而引起多次事故应如何考核？ If keep the fuel injection of main engine unchanged when ship is fouled, that will causeⅠ.The speed of main engine to be reduced Ⅱ.Ship speed to be reduced Ⅲ.The resistance torque of propeller to be increased Ⅳ.Trim at stern to increase（） Ⅰ + Ⅱ。 Ⅰ ~ Ⅲ。 Ⅰ ~ Ⅳ。 Ⅰ + Ⅱ + Ⅳ。 The construction portfolio may be included as part of the ship（）.