题目内容

佝偻病为三岁以下幼儿的常见疾病，是因为缺乏()所致。

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淋巴循环也是血液循环的一部分，它由()和()组成。

影响幼儿心理健康的因素有()()和()。

According to Sinotime，______ to provide all ropes，falls，slings and blocks actually used for loading and discharging．

A. Either Owners or Charterer
B. The Charterer
C. The Owners
D. Neither Charterer nor Owners

The Owners warrant that at the date of delivery and throughout the period of service the hull，machinery and equipment of the ship is in a thoroughly efficient state，with a full and efficient __________ of Master，Officers and Crew．

A. Complement
B. Supplement
C. Deployment
D. Settlement