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 precautions listed should be observed when taking on diesel fuel?（）
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（）.
Weather observations provided by each weather station include all of the following except（）.
The talk took place in the（）of a diplomatic observer.
If you observe the point of cloud convergence shifting to the right and the “bar”of the storm appears to move along the horizon（）.
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（）.
From the 17th century, there was a custom of sending a basket of food to the poor inAmerica.
The Chinese Moon Festival is on the 15th of the 8th lunar month, exactly in the middle of the spring season.
Food therapy also observes the principle of the Wuxing Correspondences which define the world with groups of five: five seasons, five flavors, five organs, etc.
Which part of the scientific process is observational research best suited for?
The International Day of Disabled Persons is observed on the of December every year.
1.In the 18th century, in drama, a dramatist should observe the three unities of _________, __________ and __________.
In which of the following countries is the electronic observation most frequently used？
The International Day of Disabled Persons is observed on the_______of December every year.
Experimental sciences, based on the observation of the external world, cannot aspire to completeness; the nature of things, and the imperfection of our organs______.
Desk Clerk：Good afternoon，Holiday Inn.Customer：Hello，I’d like to book a double room for the nights of 23rd and 24th please. Desk Clerk：______
Thanksgiving is the most typical and true national holiday of all the holidays observed in the United States of America. （)
In the United States there are, strict speaking, no national __1__holiday, for each state must, through legislative enactment or __2__executive proclamation, appoint the day which each holiday is __3__celebrated. Congress and the president may establish legal holidays for the District of Columbia and for federal employees throughout the states and territories; and by long custom, days that receive nationwide observation, such as Christmas, Thanksgiving, Labor __4__
