CRAC Class A (2025) — Questions 321–330
U0320. In late December each year, we often hear the abbreviation "HNY" in CW contacts, which means:
每年的12月下旬，我们常会在CW联络中听到缩语"HNY"，意 思是：
Exam tips · 考试提示
HNY is the abbreviation for "Happy New Year," exchanged around New Year (late December). Happy/felicity is HPY/HPI, hope is HPE, and Merry Christmas is XMAS — so A is correct.
U0321. In a CW contact, we sometimes copy the abbreviation "HPE", which means:
在CW通联中，我们有时会抄到缩语"HPE"，意思是：
Exam tips · 考试提示
HPE is the abbreviation for "hope." Copy/receive is CPY or R (roger), and "here" is HR — so A is correct.
U0322. In a CW contact, we sometimes copy the abbreviation "HPY" or "HPI", which means:
在CW通联中，我们有时会抄到缩语"HPY"或"HPI"，意思是：
Exam tips · 考试提示
HPY / HPI is the abbreviation for "happy." Hope is HPE, copy is CPY, and here is HR — so A is correct.
U0323. The abbreviation for "high-speed telegraphy" is:
"快速收发报"的缩语是：
Exam tips · 考试提示
"快速收发报" (high-speed telegraphy) is abbreviated HST. RTTY is radioteletype, CW is continuous wave / Morse, and RST is the signal-report format — so A is correct.
U0324. When an amateur station finishes its current transmission and listens for any station, it should use the abbreviation:
业余电台完成当前发送并守听任意电台时应使用缩语：
Exam tips · 考试提示
K is the procedural sign inviting any station to transmit ("over to any station"). GA is "go ahead / good afternoon," PSE is "please," and "Come on" is not a standard abbreviation — so A is correct.
U0325. When an amateur station finishes its current transmission and listens only for the other station in the contact, it may use the abbreviation:
业余电台完成当前发送并守听通联中的对方电台时可使用缩 语：
Exam tips · 考试提示
KN is the procedural sign inviting only the addressed station to transmit ("over to you only"). PSE is "please," CU is "see you," and the English sentence is not a standard sign — so A is correct. Note KN is distinct from K (any station).
U0326. To express "thank you very much" in a CW contact, we send:
在CW通联中表达"非常感谢"之意时我们发送：
Exam tips · 考试提示
"MNY TNX" / "MNI TNX" means "many thanks" (thank you very much), the standard CW way to express deep thanks. "VY TNX" alone is just "very thanks" (less standard), and the other options are non-standard phrasings — so A is correct.
U0327. The meaning of the amateur-radio abbreviation "NW" is:
业余无线电通信缩语"NW"的意思是：
Exam tips · 考试提示
NW is the abbreviation for "now." New is NW? — no, new is usually "NEW"; "not working" would be expressed differently; "you and me" is not NW — so A is correct.
U0328. During contacts, we sometimes call the other operator "old man." This likens the other party to a close comrade — meaning "old friend" or "old buddy," with no relation to age. The abbreviation for this term of address is:
通联时，我们有时称对方电台的操作员为"old man"。这是将 对方比作亲密无间的队友，因此为"老朋友"、"老伙计"之意且 无关年龄。这个称呼的缩语是：
Exam tips · 考试提示
OM is the abbreviation for "Old Man," a friendly term of address for a fellow amateur (old friend/buddy), unrelated to age. OB, OC, and OT are not the standard "old man" abbreviation.
U0329. The abbreviation for "operator" is:
"操作员"的缩语是：
Exam tips · 考试提示
"操作员" (operator) is abbreviated OP. OM means "old man," OOP and OHM are not the standard operator abbreviation — so A is correct.