44. The most common type of davit found on merchant vessels today is the _____.
举一反三
- Two common forms of families found in most cultures are elementary family and conjugal family。（ ）
- 中国大学MOOC: Today, smallpox, polio, typhoid and measles are no longer common because most people have been protected by _______.
- Empty vessels make the most noise.
- 中国大学MOOC: Today, smallpox, polio, typhoid and measles are no longer common because most people have been protected from them by _______.
- Radio, television and press were _____ means of broadcasting news before the Internet emerged. A: the most three common B: most three common C: the three most common D: the three the most common