【单选题】注水井采油树的()是测试仪器下井时经常开关的阀门。
【判断题】采油树虽然型号规格很多,但都装有总阀门、生产阀门、测试或清蜡阀门、套管阀门。
【单选题】Faith How many people do you think will show up for dinner? Louis Only two of people we invited can't come, so there should be six people. Faith ______I cleaned out the store when I bought the food fo...
A.
We can make do with paper towels.
B.
These steaks look great but expensive.
C.
I have to stay up late cleaning up.
D.
We' re going to have a lot of extra food.
【判断题】闭和水准路线高差闭和差的计算公式为。()
【单选题】下列选项中,说法不正确的是( )。
A.
在Internet中,路由器采用表驱动的路由选择算法
C.
路由表中存储了可能的目的地址与如何到达目的地址的信息
D.
路由选择算法可分为两种:静态路由选择算法和动态路由选择算法
【判断题】路由表一般分为两种:动态路由表和静态路由表。
【单选题】当怀疑准备装载的货物可能对船舶保安构成威胁时,大副应负责联系港口设施、托运人或其他有关方面安排货物检查。
【单选题】选出正确的句子
A.
A man is judged not only by what he does but also by his words.
B.
We have great faith and high hopes for her.
C.
Du Fu was one of the greatest poets of the Tang period.
【判断题】路由选择协议分为 静态路由和动态路由两种。