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【单选题】
下列哪项措施可以减弱温度变化对i角的影响( ) 1观测开始之前,取出仪器,使其与外界温度充分一致 2在观测过程中,包括迁站时,都要用大白布遮阳,避免阳光直接照射仪器 3观测过程中尽量减少直接指出仪器的时间,以减少i角的变化 4相邻测站采用相反的观测程序,使i角变化与时间成比例的那部分i角误差得到减弱 5测段的往测与返测分别在上午和下午进行,以减弱与受热方向有关的i角变化的系统误差。
A.
① ② ③ ④
B.
① ② ④ ⑤
C.
② ③ ④ ⑤
D.
① ② ③ ④ ⑤
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参考答案：
举一反三
【简答题】连续刺激肌肉，每后一次刺激落在前一次收缩的舒张期内引起的复合收缩称为 108．短时间一连串最大刺激作用于肌肉，若相继两次刺激间的时距小于绝对不应期时，第二个刺激引起的变化是 A．无肌肉收缩 B．一次单收缩 C．一连串单收缩 D．不完全强直收缩 E．完全强直收缩
查看完整题目与答案
【单选题】连续刺激时，当后一刺激落在前次收缩的舒张期内引起的收缩称为( )。
A.
单收缩
B.
不完全强直收缩
C.
完全强直收缩
D.
等长收缩
E.
等张收缩
查看完整题目与答案
【单选题】When we arrived in the deep night, we found there was no food _______ as all the shops were shut.
A.
left
B.
available
C.
remaining
D.
convenient
查看完整题目与答案
【单选题】When we reached the station, the train had not arrived yet so we______.
A.
needed not to hurry
B.
needn't have hurried
C.
didn't need to hurry
D.
had not needed to hurry
查看完整题目与答案
【判断题】人不能同命运抗争,应当顺其自然
A.
正确
B.
错误
查看完整题目与答案
【单选题】连锁调运用了哪种修辞手法 ?
A.
比喻
B.
夸张
C.
拟人
D.
顶真
查看完整题目与答案
【简答题】When we arrived at the station, it was said that the train would be late for ten minutes, so we _____. A) needed not to hurry B) needn't have hurried C) didn't need hurry D) hadn't needed to hurry
查看完整题目与答案
【单选题】It was ________ that we felt tired when we arrived.
A.
a so long travel
B.
such a long travel
C.
such a long journey
D.
such a so long journey
查看完整题目与答案
【多选题】人生实践中人们往往会遇到各种矛盾和挫折,这就需要端正人生态度。以下不正确的人生态度是( )
A.
人生苦短，当及时享受
B.
人生就是选择，个人当为自己的行为负责
C.
人应面对现实，接受挑战
D.
人不能同命运抗争，当顺其自然
查看完整题目与答案
【简答题】.When we reached the station, the train had still not arrived; so we ______. a. needed not to hurry         b. needn’t have hurried c. need not to have hurried     d. didn’t need to hurry
查看完整题目与答案
相关题目：
【简答题】连续刺激肌肉，每后一次刺激落在前一次收缩的舒张期内引起的复合收缩称为 108．短时间一连串最大刺激作用于肌肉，若相继两次刺激间的时距小于绝对不应期时，第二个刺激引起的变化是 A．无肌肉收缩 B．一次单收缩 C．一连串单收缩 D．不完全强直收缩 E．完全强直收缩
查看完整题目与答案
【单选题】连续刺激时，当后一刺激落在前次收缩的舒张期内引起的收缩称为( )。
A.
单收缩
B.
不完全强直收缩
C.
完全强直收缩
D.
等长收缩
E.
等张收缩
查看完整题目与答案
【单选题】When we arrived in the deep night, we found there was no food _______ as all the shops were shut.
A.
left
B.
available
C.
remaining
D.
convenient
查看完整题目与答案
【单选题】When we reached the station, the train had not arrived yet so we______.
A.
needed not to hurry
B.
needn't have hurried
C.
didn't need to hurry
D.
had not needed to hurry
查看完整题目与答案
【判断题】人不能同命运抗争,应当顺其自然
A.
正确
B.
错误
查看完整题目与答案
【单选题】连锁调运用了哪种修辞手法 ?
A.
比喻
B.
夸张
C.
拟人
D.
顶真
查看完整题目与答案
【简答题】When we arrived at the station, it was said that the train would be late for ten minutes, so we _____. A) needed not to hurry B) needn't have hurried C) didn't need hurry D) hadn't needed to hurry
查看完整题目与答案
【单选题】It was ________ that we felt tired when we arrived.
A.
a so long travel
B.
such a long travel
C.
such a long journey
D.
such a so long journey
查看完整题目与答案
【多选题】人生实践中人们往往会遇到各种矛盾和挫折,这就需要端正人生态度。以下不正确的人生态度是( )
A.
人生苦短，当及时享受
B.
人生就是选择，个人当为自己的行为负责
C.
人应面对现实，接受挑战
D.
人不能同命运抗争，当顺其自然
查看完整题目与答案
【简答题】.When we reached the station, the train had still not arrived; so we ______. a. needed not to hurry         b. needn’t have hurried c. need not to have hurried     d. didn’t need to hurry
查看完整题目与答案
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