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【单选题】
Forces within a vessel have caused a difference between the starboard and port drafts. This difference is called ______.A.
list
B.
heel
C.
trim
D.
Flotation
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举一反三
【单选题】---Would you mind my using your dictionary? ---________.
A.
Of course not
B.
Yes, please
C.
You’re welcome
D.
My pleasure
【单选题】The function of _____ in a refrigeration plant using Freon is to move moisture from all refrigeration system.
A.
filter
B.
filter drier
C.
heat exchanger
D.
air cooler
【单选题】有如下程序： #include ＜iostream＞ using namespace std; class Complex { double re, im, public: Complex(double r, double i): re(r), im(i) {} double real() const {return re;} double image() const {return im,} C...
A.
(1，-2)
B.
(2，3)
C.
(3，5)
D.
(3，1)
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