（） are mounted in pairs to protect the boiler against overpressure.
In some type of two-stroke engines, besides some small holes for（）, starting valve, safety valve, indicator cock, and central opening in each cylinder cover for mounting the（）
There are about 130 prison establishments in England and Wales and some 20 in Scotland,many of which were built in the（）century.
our database is in the MOUNT state and you execute the following command to open it： ALTER DATABASE OPEN What two actions are performed as a result of this command？（）
In a general cargo crane, three principal movements are （）； （）； （）.
Anchor（） are used in some installations where the cable lifter rotates about a vertical axis.
Anchor capstans are used in some installation where the cable lifter rotates about a （）.
In some European countries, the people are given the biggest social benefits such as medical insurance.
_______some degree, all managers who supervise people are involved in HR activities.
It sounds like a good plan，but there are some ( ) difficulties in carrying it out.
Beauty, goodness and auspiciousness are some of the major qualities attached to sheep in ancient China
What are some of the well-known places of interest in Britain?
Abortion (堕胎) in Britain is a highly ______ matter: some are strongly for it, some bitterly against it.
In some cultures, rats and butterflies are considered perfectly ______ while in other cultures, they are considered inedible.
Vitamins are complex ________ that the body requires in very small mounts.
A．People in some developing countries have realized that the world's resources are limited.
There are some apples in the author's book bag.
Some species of birds are highly sociable and nest in dense colonies.
"Of the many Buddhist mountains, Mount Wutai, Mount Emei, Mount Putuo and Mount Jiuhua are accepted as the Four Sacred Buddihist Mountains in China." In this sentence, "the Four Sacred Buddihist Mountains" means [ ].
Some individual vitamins are better absorbed than others in a tablet form.
Some married couples are afraid of______children in this nuclear age.
Some industrialized countries are unwilling to spend money in reducing
What are some family types revealed in the clip？
In reality, however, some people are naturally fat.（)
