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【单选题】
关于中长跑的跑步姿势，正确的是？A.
跑步全程身体紧张，全身发力。
B.
身体尽量放松，身体微微前倾，抬头收腹，双手自然配合脚步运动，跑的后程要加强腿部蹬摆的配合，上肢增大摆臂幅度。
C.
跑的过程中要左右晃动，减少风阻。
D.
跑的过程中，不要摆臂，减少能量消耗。
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举一反三
【单选题】关于动脉血压的叙述，下列哪一项是正确的( )(1999年)
A.
心室收缩时，血液对动脉管壁的侧压称为收缩压
B.
平均动脉血压是收缩压和舒张压的平均值
C.
动脉血压偏离正常水平愈远，压力感受器纠正异常血压的能力愈强
D.
其他因素不变时，心率加快使脉搏压增大
E.
男、女性和动脉血压均随年龄的增长而变化
【单选题】It was with the help of the local guide ______ the mountain climber was rescued.
A.
who
B.
that
C.
when
D.
how
【单选题】It was only with the help of the local guide __________.
A.
was the mountain climber rescued
B.
that the mountain climber was rescued
C.
when the mountain climber was rescued
D.
then the mountain climber was rescued
【简答题】The guide told the scientists that in the jungle 16 miles to the west, the local people had ever found pottery fragments and ______.
【简答题】It was only with the help of the local guide ______. A) was the mountain climber rescued B) that the mountain climber was rescued C) when the mountain climber was rescued D) then the mountain climber ...
【单选题】Which is not the duty of local guide?
A.
Handle the itinerary in specific local place
B.
Give presentations at local sites on itinerary
C.
Working for overseas travel service
D.
Arrange the hotel and restaurant during the specific tour
【单选题】( ) is the person who is from the travel agency which organizes the group, his task is to lead the group from and back their resident palaces, and coordinate the relationship of the guests, nat...
A.
The tour leader
B.
The national guide
C.
The local tour guide
D.
The scenery guide
【判断题】It isn't the task of a local guide to introduce the facilities of the hotel.
A.
正确
B.
错误
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