In general，the most effective period for observing stars and planets occurs during the darker limit of（）.
A parallax correction is NOT applied to observations of the（）.
Which of the following commands is used to observe the current state of the routing table？（）
If you observe more closely, Margaret is（）of the two girls.
Which of the following commands should be used to observe the number of system calls per second? （）
A time diagram is a diagram of the celestial sphere as observed from above the（）.
Sometimes lights are（）by fog，haze，dust，smoke，or precipitation which may be present at the light，or between the light and the observer，and which is possibly unknown by the observer.
The talk took place in the（）of a diplomatic observer.
Observe the following options carefully， which two attacks focus on RSA？ （）
If an observer in the Northern Hemisphere faces the surface wind，the center of low pressure is to his（）.
The best estimate of the wind direction at sea level can be obtained from observing the direction of the（）.
Please observe the following sentence and select the correct answer which reflects the number of language according to the sentence sequence.Studies serve for delight, for ornament, and for ability.
The eclipse will be _____ to observers in western Europe.
Q: Why does the author say his observations are rather convincing?
Please observe the following sentence and select the correct answer which reflects the numbers of language according to the sentence sequence. It is not your aptitude, but your attitude that decides your altitude.
Which part of the scientific process is observational research best suited for?
The custom of observing the double ninth day didn’t become regular until the Tang Dynasty.
The International Day of Disabled Persons is observed on the of December every year.
Please observe the following sentence and select the correct answer which reflects the numbers of language according to the sentence sequence.Home is a house of the family, a shelter on the journey of life and a roof over our hearts.
What does observant mean in the sentence, ‘He seems to have been a rigorously observant Muslim.’? A. 善于观察的 B. 严格遵守教规的 C. 机警的
The Sun, The Times, The Observer, The Guardian, and The Independent are major newspapers in UK.
In which of the following countries is the electronic observation most frequently used？
Please observe the following sentence and select the correct answer which reflects the numbers of language according to the sentence sequence.
It is（) to the teachers to see that these rules are observed.
