【单选题】下列山脉走向答题一致的是 1天山2大兴安岭3太行山4昆仑山5秦岭6巫山
【单选题】为防止标尺下沉和标示标尺位置,水准测量时要放置尺垫,尺垫只能放在( )上。
【单选题】According to the news, the plane crashed ______.
A.
shortly before it landed
B.
minutes after it took off
C.
after it cleared the mountain
D.
at the foot of the mountain
【单选题】M: I like to walk outdoors after the rain. It smells fresh and looks greener. W: I agree. A nice time to walk outdoors is after it rains. [音频]
A.
She will not walk after it rains.
B.
She does not want to get wet feet.
C.
She thinks it is a nice time to walk.
D.
She likes walking after the rain if she has a coat to wear.
【单选题】The shape of Italy on a map has often been compared ______ a long Wellington boot.
【判断题】在数据库设计时使用范式约减的目的是为了:防止出现数据的更新、查找、 删除异常,同时减少数据的冗余。
【单选题】S7-200系列PLC中。中斯分离指令的操作码是( ).
【单选题】使人体能够感觉到的最小电流称为( )。(1分)
【判断题】在存在限制资源、通货膨胀未被预期且比较温和的情况下,产出会增加。()