Every lifeboat which is fitted with a fixed two-way VHF radiotelephone apparatus with（）which is separately mounted shall be provided with arrangements for sitting and securing the antenna effectively in is operating position.
A marine sextant has the index arm set at zero and the reflected image of the horizon forms a continuous line with the actual image. When the sextant is rotated about the line of sight the images separate. The sextant has（）.
水平褶皱（horizontal fold）
Two-fold degenerate codon（二重简并位点）
A man has suffered a burn on the arm. There is extensive damage to the skin with charring present. How is this injury classified using standard medical terminology?（）
Every lifeboat which is fitted with a fixed two-way（）radiotelephone apparatus with an antenna which is separately mounted shall be provided with arrangements for sitting and securing the antenna effectively in its operating position.
Four-fold degenerate codon（四重简并位点）
波状褶皱（wave fold）
Every lifeboat which is fitted with a fixed（）VHF radiotelephone apparatus with an antenna which is separately mounted shall be provided with arrangements for sitting and securing the antenna effectively in its operating position.
倒转褶皱（overturned fold）
倾伏褶皱（hinge fold）
折叠子（Fold）
A frame with two，or sometimes four，arms through which are threaded the guidelines and which is used to keep the drill stem and bit in line with the center opening in the temporary guide base is the（）.
The signal man assisting a crane operator has his arm extended with his fingers closed and thumb pointing upward. This is the signal to（）.
尿生殖褶(urogenital fold)
褶皱（fold）
平卧褶皱（recumbent fold）
直立褶皱（erect fold）
Sitting at the back of the room but in front of some old men and women _____ a very shy girl with two bright eyes.
A translator must be armed with the excellent ability of expressiveness and ______ imagination.
The sitting-room feels comfortable with the fireplace shedding warm and faint light.
According to Mr. Heath and Mr. Potter, consumerism can be traced back to [A] the imposition of overbearing companies. [B] the very nature of arms race. [C] the ignorance of some stupid workers. [D] the desire to keep up with the Jones.
The signal man assisting a crane operator has his arm extended with his fingers closed and thumb pointing upward．This is the signal to ______．
The mechanism of edema in the homolateral arm of breast carcinoma treated with radical surgery is ( )
