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【单选题】
Gram-negative bacteria differ from gram-positive bacteria because of the fact ( ).A.
That in Gram-negative bacteria the peptidoglycan cell wall is only 1 or 2 layers thick, whereas in gram-positive bacteria it is many layers thick.
B.
That in gram-negative bacteria basic dyes and detergents are much more harmful than for gram-positive bacteria.
C.
That in gram-negative bacteria lipoprotein—which is not found in gram-negative bacteria—anchors the outer membrane to the capsule.
D.
That in gram-positive bacteria porin proteins are invariably found, and are not found in gram-negative bacteia.
E.
All of the above are ture.
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【单选题】The word 'screen' has many different meanings such as in a fire screen, a television screen. This is called______.
A.
hyponymy
B.
homonymy
C.
polysemy
D.
synonymy
【单选题】Why are Chinese paintings seldom framed?
A.
Because Chinese people do not find frames aesthetically beautiful.
B.
Because in China paintings usually are rolled into scrolls, and one can't roll a painting into a scroll if it is inside a hard frame.
C.
Because wood was expensive in China, and only rich people could afford buying expensive wooden frames.
D.
Because a painting frame. had some religious meaning and only the emperor had a right to use them.
【单选题】Why do Chinese students like to listen to teachers in class?
A.
Because Chinese students don't like thinking.
B.
Because teachers are regarded as "authority".
C.
Because teachers like to do most of the talking.
D.
Because teachers don't want students to talk in class.
【多选题】当使用如下代码提交表单时,如何获取表单元素email的值?( )
A.
$_GET['email']
B.
$_POST['email']
C.
$_SESSION['email']
D.
$_REQUEST['email']
【单选题】Why do Chinese dumplings imply wealth?
A.
Because they have the shape of ancient Chinese gold or silver ingots.
B.
Because they are very delicious.
C.
Because they have the shape of ships.
D.
Because they have the shape of bamboo.
【单选题】______should be used during the poor visibility if the rader’s screen shows heavy sea returns.
A.
Gain Control
B.
Brilliant Control
C.
Anti-clutter Sea Control
D.
Sweep Intercept
【简答题】将现金存入银行业务，应填制的记账凭证是______；从银行提取现金业务，应填制的记账凭证是______。
【单选题】Why do Chinese dumplings imply wealth?
A.
Because they have the shape of the ancient Chinese gold or silver ingots.
B.
Because they are very delicious.
C.
Because they have the shape of ships.
D.
Because they have the shape of bamboo.
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