下列哪些药物能明显加快心率（） 肾上腺素。 去甲肾上腺素。 异丙肾上腺素。 治疗量多巴胺。 大剂量阿托品。
临界晶核有可能继续长大，也有可能消失（熔化）。
Incoming calls to your store are answered by the front desk. Calls are parked at an extension, and an announcement is made for an employee in the appropriate department to pickup the call. The accounting department has been extremely busy, and you wish to be able to park up to 5 simultaneous calls for this department on extension 102. How can you accomplish this?（） Add four additional park-slots under the existing ephone-dn for extension 102. 。 Add four additional ephone-dns and configure each with number 102 and a park-slot. 。 Add four additional ephone-dns with unique numbers and set call-forward busy to roll to the next available park extension. 。 Add four additional ephone-dns with unique numbers and configure a hunt group to roll to the next available park extension.。
法国历史学家亨利•高第说：“我并不认为这在当时是个好办法。我们这样做了，就使得中国人感觉到，我们才是真正的野蛮人。此外，对同胞无辜的血，我们也不应该向石头寻仇。法国人与其英国同盟军的分歧就在这一点上：抢劫，可以；放火，不行！”亨利•高第所评价的历史事件是（）。 英军武力强占香港岛。 英法联军火烧圆明园。 日军制造旅顺大屠杀。 德国强租胶州湾地区。
Which three are true？（） Cat is-a Animal。 Cat is-a Jumper。 Dog is-a Animal。 Dog is-a Jumper。 Cat has-a Animal。 Beagle has-a Tail。 Beagle has-a Jumper。
The EMP table contains these columns:
EMPLOYEE_ID NUMBER(4)
EMPNAME VARCHAR2 (25)
SALARY NUMBER(9,2)
HIRE_DATE DATE
You query the database with this SQL statement:
SELECT empname,hire_date HIREDATE, salary
FROM EMP
ORDER BY hire_date;
How will the results be sorted?（）
