皮皮学，免费搜题
登录
搜题
【单选题】
一名病人临床症状为牙龈肿胀出血、结膜出血、毛囊角化、皮下瘀斑、紫癜和关节疼痛等。临床诊断病人可能缺乏的营养素是A.
维生素D
B.
维生素C
C.
维生素B
D.
维生素B2
E.
维生素A
拍照语音搜题，微信中搜索"皮皮学"使用
参考答案：
参考解析：
知识点：
皮皮学刷刷变学霸
举一反三
【单选题】In the foreign exchange market, what could be a possible consequence of an increase in the purchase of stocks of Toyota, a Japanese automobile firm, by the U.S. residents?
A.
Demand for dollar will increase
B.
Yen will depreciate
C.
Dollar will depreciate
D.
Supply curve for dollar will shift to the left
【单选题】The demand curve for a foreign currency slopes downward because
A.
at lower exchange rates, foreign goods look cheaper to home country residents.
B.
at higher exchange rates, the home currency can buy more foreign goods.
C.
the quantity supplied of the foreign currency rises as the exchange rate falls.
D.
marginal utility theory says that individuals substitute into any commodity whose price has fallen.
【简答题】听音频填空补全句子 So to 1._______ illegal ivory trade, experts say it is important to 2._______ the demand. Many 3._______ China for the continued large ivory trade. Some residents of Hong Kong hold annual 4....
相关题目：