皮皮学,免费搜题
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【判断题】
电力机车按用途可分为两类,分别为客运与货运机车。
A.
正确
B.
错误
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举一反三
【单选题】.He went to school      his new sports shoes.
A.
dressed
B.
dressing
C.
wore
D.
wearing
【判断题】正弦电路的KCL可写为:
A.
正确
B.
错误
【单选题】哪一类水、电解质代谢紊乱可导致脑内出血
A.
等渗性脱水
B.
高渗性脱水
C.
低渗性脱水
D.
低钠血症
【单选题】He is wearing sunglasses to ____ his eyes from the strong sunlight .
A.
prevent
B.
protect
C.
stop
D.
hold
【单选题】— What was Jim wearing at the party? — Nothing ________. He was in his usual shirt and jeans.
A.
special
B.
simple
C.
important
D.
interesting
【单选题】哪一类谁电解质代谢紊乱可导致脑内出血
A.
等渗性脱水
B.
高渗性脱水
C.
低渗性脱水
D.
低钾血症
【单选题】He is wearing sunglasses to __________ his eyes from the strong sunlight.
A.
protect
B.
prevent
C.
save
D.
help
【单选题】He is wearing sunglasses to _______ his eyes from the strong sunlight .
A.
protect
B.
hold
C.
stop
D.
prevent
【单选题】He is wearing sunglasses to protect his eyes ___ the strong sunlight.
A.
by
B.
from
C.
to
D.
in
【单选题】生产中对种子使用年限一般作如下规定
A.
100% 个体有发芽能力
B.
90% 个体有发芽能力
C.
80% 个体有发芽能力
D.
70% 个体有发芽能力
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