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【单选题】Directions: There are 20 blanks in the following passage, and for each blank there are 4 choices marked A, B, C and D at the end of the passage. You should choose ONE answer that best fit into the pas...
A.
giving
B.
receiving
C.
accepting
D.
learning
【单选题】电码“TEMPO 0004”的含义：（）。
A.
0000UTC至0400UTC时段内气象要素变化
B.
0000UTC至0400UTC时段内气象要素的短暂波动，每次波动时间不超过半小时，而且其总共所占用时间不超过2小时。
C.
0000UTC至0400UTC时段内气象要素的短暂波动，每次波动时间不超过1小时，而且其总共所占用时间不超过2小时。