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【单选题】
— What's the common ________ of dealing with youth crime in your area? — Generally, educatio n comes first. [ ]A.
process
B.
procedure
C.
performance
D.
practice
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举一反三
【单选题】Operators of computers should give instructions to work in the form. of program______.
A.
which are introduced to turn into computers
B.
through which computers could process 'language'
C.
which could tell computers what to do and how to do it
D.
all of the above
【单选题】36岁经产妇，孕32周，水肿1周，血压150/100mmHg，宫高26cm，胎心144次/分，水肿(++)，尿蛋白(++)。 轻度妊娠高血压综合征
A.
中度妊娠高血压综合征
B.
重度妊娠高血压综合征
C.
先兆子痫
D.
子痫
【单选题】How many GMDSS operators are needed/required on board according to the provisions of the International Convention for the Safety of Life at Sea，1974?______．
A.
4 operators
B.
3 operators
C.
2 operators
D.
1 operator
【单选题】How many operators are needed／required on board according to the provisions of the International Convention for the Safety of Life at Sea，1974？ ______.
A.
4 operators
B.
3 operators
C.
2 operators
D.
1 operator
【简答题】When tour operators lower their price, they may ______.
【单选题】大湖效应指的是冷空气遇到大面积未结冰的水面(通常是湖泊)并从中得到水蒸气和热能,然后在湖泊迎风岸形成雨、雪、雾等现象(见图)冷气团与水面的温差较大时,水温越高,冷气团温度越低,冷气团的水汽就越多,雪量就越大。据此完成下列问题。 有关大湖效应叙述正确的是
A.
大湖效应是冷锋过境造成的强降雪天气，降雪的主要时期是乙图中的④
B.
大湖效应产生的降雪过程原理与冷锋形成过程相同
C.
大湖效应产生的降雪量最大的时期是乙图中的④
D.
与大湖效应产生的降雪过程原理类似的是反气旋
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