沼虾能感知方位的平衡囊位于第二触角原肢第一肢节内。（）
参考答案：错
解析：“第二触角”改为“第一触角”
输库存血每超过800ml后，应注射（）。
A.安乃近2ml
B.肝素10u
C.5%碳酸氢钠液200ml
D.10%葡萄糖酸钙10ml
E.6-氨基己酸3g
The _____ fact is that some European countries are heavily in debt, _____China's economy is
generally in good shape. [ ]
A. simple, so
B. bare, nevertheless
C. obvious, because
D. clear, despite
