【判断题】在tRNA分子中,除4种基本碱基(A、G、C、U)外,还含有稀有碱基。 ( )
【简答题】请简述现代船用柴油机提高经济性的主要措施。
【单选题】For the clavipectoral fascia which of the following is not correct?
A.
It is the deep fascia connecting among the coracoid process, subclavius and pectoralis minor.
B.
The lateral pectoral nerve passes through it.
C.
The thoracoacromial artery passes through it.
D.
The medial pectoral nerve passes through it
E.
The cephalic vein passes through it.
【单选题】The following structures pass through the clavipectoral fascia, except
B.
Thoracoacromial artery
C.
Lateral pectoral nerve
【单选题】What is the greatest danger of an overriding tow? ______.
A.
Fouling of the towing hawser
D.
Collision between the tow and the stem of the towing vessel
【单选题】According to President F. D. Roosevelt, the funds for basic research in public colleges and universities would he ______.
A.
endowed by state government
B.
provided by federal government
C.
solved by universities themselves
D.
donated by private companies or rich people
【单选题】The clavipectoral fascia is penetrated by which artery?
A.
Anterior circumflex humeral artery
D.
Thoracoacromial artery
【简答题】overriding commission
【单选题】已知定义在R上的奇函数f(x),满足f(x-4)=-f(x),且在区间上是增函数,则 [ ]