【简答题】鸡传染性鼻炎的病原体是 ;禽曲霉菌的主要病原体是 ;猪肺疫的病原体是 ;猪气喘病的病原是 ;猪接触传染性胸膜肺炎的病原体是 。
【单选题】显微镜是一种精密放大仪器。下列关于显微镜操作的叙述中,不正确的是( )
C.
转动粗准焦螺旋使镜筒缓缓下降时,眼睛一定要看着物镜
D.
如果物像不在视野中央,可转动目镜将物像移至视野中央
【简答题】禽曲霉菌病的主、次要病原体是____ 和____。主要侵害4~12日龄的雏鸡,其病变特征为____。
【单选题】患者,男,72岁,因急性心肌梗死经抢救无效死亡。进行尸体护理时,下列做法不妥的是:
【单选题】In Paragraph 3, it is assumed that the possible reason that the earth is not experiencing an Ice Age as it should be is that
A.
the sun's heat output does not follow certain regulations
B.
no rule can be drawn from the sun's rotation
C.
there is no way to model the sun's rotation
D.
It takes time for the sun to reduce the inertia of the earth's climate
【单选题】It is said that the old coins under the earth for about 100 years by the time they were discovered.
【单选题】下列关于显微镜操作方法的叙述,正确的是 ①对光时,阳光照在反光镜上,视野越亮越好 ②进行低倍镜与高倍镜的转换时,扳动物镜转动比较省力 ③使用完毕后,要用干布拭去载物台上的水或脏物 ④装箱之前,应下降镜筒,使物镜插入通光孔中 ⑤取、放显微镜时,要左手托镜座,右手握镜臂,并且轻拿轻放 [ ]
【判断题】public void onGetDrivingRouteResult(DrivingRouteResult drivingRouteResult) { //代码1创建DrivingRouteOverlay实例 DrivingRouteOverlay overlay = new DrivingRouteOverlay(mBaiduMap); if (drivingRouteResult.getRo...