润滑脂中用最广泛的是（）。
A.钙基脂
B.钠基脂
C.锂基脂
D.铝基脂
参考答案：C
连词成句。
1. hand, me, your, show, right
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2. see, you, shoulder, do, his
3. hair, look, eyes, your, at, and
4. to, I, morning, school, the, go, in
5. arms, have, long, I
止血方法有哪些？
