Students should be encouraged to use()Internet as()resource.
A、A./;a
B、B./;the
C、C.the;the
D、D.the;a
A、A./;a
B、B./;the
C、C.the;the
D、D.the;a
A、to windward <em>shouldem> <em>beem> opened and the ones to leeward <em>shouldem> <em>beem> closed B、to leeward <em>shouldem> <em>beem> opened and the ones to windward <em>shouldem> <em>beem> closed C、<em>shouldem> <em>beem> opened D、<em>shouldem> <em>beem> closed
A、to windward <em>shouldem> <em>beem> opened and the ones to leeward <em>shouldem> <em>beem> closed B、to leeward <em>shouldem> <em>beem> opened and the ones to windward <em>shouldem> <em>beem> closed C、<em>shouldem> <em>beem> opened D、<em>shouldem> <em>beem> closed
A、<em>shouldem> <em>beem> paved B、<em>shouldem> <em>beem> cleaned C、<em>shouldem> <em>beem> dismantled D、<em>shouldem> <em>beem> welded
A、rack position <em>shouldem> <em>beem> adjusted B、compensating needle valve <em>shouldem> <em>beem> opened fully compensating C、needle valve <em>shouldem> <em>beem> adjusted to stabilize operation D、speed limiting device <em>shouldem> <em>beem> adjusted